- 27 Mar, 2020 25 commits
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Christoph Hellwig authored
dc395x_bios_param was only different from the default when the CONFIG_SCSI_DC395x_TRMS1040_TRADMAP symbol is true, but that symbol doesn't exist in the Kconfig system and thus can't be set. Link: https://lore.kernel.org/r/20200325105505.1028582-1-hch@lst.deSigned-off-by:
Christoph Hellwig <hch@lst.de> Signed-off-by:
Martin K. Petersen <martin.petersen@oracle.com>
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Wu Bo authored
Fix an error count for active session if the total_cmds is invalid on the function iscsi_session_setup(). Decrement the number of active sessions before the funcion return. Link: https://lore.kernel.org/r/EDBAAA0BBBA2AC4E9C8B6B81DEEE1D6916A28542@DGGEML525-MBS.china.huawei.comReviewed-by:
Lee Duncan <lduncan@suuse.com> Signed-off-by:
Wu Bo <wubo40@huawei.com> Signed-off-by:
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Don Brace authored
Correct race condition where ioaccel is re-enabled before the raid_map is updated. For RAID_1, RAID_1ADM, and RAID 5/6 there is a BUG_ON called which is bad. - Change event thread to disable ioaccel only. Send all requests down the RAID path instead. - Have rescan thread handle offload_enable. - Since there is only one rescan allowed at a time, turning offload_enabled on/off should not be racy. Each handler queues up a rescan if one is already in progress. - For timing diagram, offload_enabled is initially off due to a change (transformation: splitmirror/remirror), ... otbe = offload_to_be_enabled oe = offload_enabled Time Event Rescan Completion Request Worker Worker Thread Thread ---- ------ ------ ---------- ------- T0 | | + UA | T1 | + rescan started | 0x3f | T2 + Event | | 0x0e | T3 + Ack msg | | | T4 | + if (!dev[i]->oe && | | T5 | | dev[i]->otbe) | | T6 | | get_raid_map | | T7 + otbe = 1 | | | T8 | | | | T9 | + oe = otbe | | T10 | | | + ioaccel request T11 * BUG_ON T0 - I/O completion with UA 0x3f 0x0e sets rescan flag. T1 - rescan worker thread starts a rescan. T2 - event comes in T3 - event thread starts and issues "Acknowledge" message ... T6 - rescan thread has bypassed code to reload new raid map. ... T7 - event thread runs and sets offload_to_be_enabled ... T9 - rescan thread turns on offload_enabled. T10- request comes in and goes down ioaccel path. T11- BUG_ON. - After the patch is applied, ioaccel_enabled can only be re-enabled in the re-scan thread. Link: https://lore.kernel.org/r/158472877894.14200.7077843399036368335.stgit@brunhildaReviewed-by:Scott Teel <scott.teel@microsemi.com> Reviewed-by:
Matt Perricone <matt.perricone@microsemi.com> Reviewed-by:
Scott Benesh <scott.benesh@microsemi.com> Signed-off-by:
Don Brace <don.brace@microsemi.com> Signed-off-by:
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Gustavo A. R. Silva authored
The current codebase makes use of the zero-length array language extension to the C90 standard, but the preferred mechanism to declare variable-length types such as these ones is a flexible array member[1][2], introduced in C99: struct foo { int stuff; struct boo array[]; }; By making use of the mechanism above, we will get a compiler warning in case the flexible array does not occur last in the structure, which will help us prevent some kind of undefined behavior bugs from being inadvertently introduced[3] to the codebase from now on. Also, notice that, dynamic memory allocations won't be affected by this change: "Flexible array members have incomplete type, and so the sizeof operator may not be applied. As a quirk of the original implementation of zero-length arrays, sizeof evaluates to zero."[1] This issue was found with the help of Coccinelle. [1] https://gcc.gnu.org/onlinedocs/gcc/Zero-Length.html [2] https://github.com/KSPP/linux/issues/21 [3] commit 76497732 ("cxgb3/l2t: Fix undefined behaviour") Link: https://lore.kernel.org/r/20200319222533.GA20577@embeddedor.comSigned-off-by:Gustavo A. R. Silva <gustavo@embeddedor.com> Signed-off-by:
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Manish Rangankar authored
Add PCI shutdown handler support for supporting wake-on-lan feature. Link: https://lore.kernel.org/r/20200319083811.19499-3-mrangankar@marvell.comSigned-off-by:
Manish Rangankar <mrangankar@marvell.com> Signed-off-by:
Nilesh Javali <njavali@marvell.com> Signed-off-by:
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Manish Rangankar authored
This patch adds the mfw error recovery process in the qedi driver. The process includes a partial/customized driver unload and load to reset context by preserving active iSCSI session kernel state. Link: https://lore.kernel.org/r/20200319083811.19499-2-mrangankar@marvell.comSigned-off-by:
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Can Guo authored
Block layer RPM is enabled for the genernal UFS SCSI devices when they are probed by their driver. However block layer RPM is not enabled for UFS well-known SCSI devices. As UFS SCSI devices have their corresponding BSG char devices, accessing a BSG char device via IOCTL may send requests to its corresponding SCSI device through its request queue. If BSG IOCTL sends a request to a well-known SCSI device when HBA is not runtime active, due to block layer RPM not being enabled for the well-known SCSI devices, the HBA, which is at the top of a SCSI device's parent chain, will not be resumed. This change enables block layer RPM for the well-known SCSI devices so that block layer can handle RPM for the well-known SCSI devices just like for the general SCSI devices. Reviewed-by:
Avri Altman <avri.altman@wdc.com> Reviewed-by:
Stanley Chu <stanley.chu@mediatek.com> Signed-off-by:
Can Guo <cang@codeaurora.org> Signed-off-by:
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Asutosh Das authored
Override devfreq parameters for power-performance trade-off. Link: https://lore.kernel.org/r/b6875729b6072134985c9113a820cf60a2af22e7.1585160616.git.asutoshd@codeaurora.orgAcked-by:
Asutosh Das <asutoshd@codeaurora.org> Signed-off-by:
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Asutosh Das authored
Vendor drivers may have a need to update the polling interval and thresholds. Provide a vops for vendor drivers to use. Link: https://lore.kernel.org/r/acd79e00396cff855256adad47f615ccdbde85ac.1585160616.git.asutoshd@codeaurora.orgAcked-by:
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Asutosh Das authored
Currently, the frequency that devfreq provides the driver always leads the clocks to be scaled up. Hence, round the clock-rate to the nearest frequency before deciding to scale. Also update the devfreq statistics of current frequency. Link: https://lore.kernel.org/r/d0c6c22455811e9f0eda01f9bc70d1398b51b2bd.1585160616.git.asutoshd@codeaurora.orgAcked-by:
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Nitin Rawat authored
As a part of sysfs reading of descriptors/attributes/flags, query commands should only be executed when hba's power runtime status is active. To guarantee this, add pm_runtime_get/put_sync() to those paths where query commands are sent. Link: https://lore.kernel.org/r/f712a4f7bdb0ae32e0d83634731e7aaa1b3a6cdd.1585009663.git.asutoshd@codeaurora.orgReviewed-by:
Nitin Rawat <nitirawa@codeaurora.org> Signed-off-by:
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Stanley Chu authored
MediaTek platform and UFS controller can dynamically customize the delay for host enabling according to different scenarios. For example, if UniPro enters lower-power mode, such delay can be minimized, otherwise longer delay shall be expected. Link: https://lore.kernel.org/r/20200318104016.28049-8-stanley.chu@mediatek.comReviewed-by:
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Stanley Chu authored
Reduce the waiting period between each HCE (Host Controller Enable) polling from 5 ms to 1 ms. Also increase the maximum polling times to make "total polling time" roughly the same. This change could make HCE initialization faster to improve latency of ufshcd initialization, error recovery, and resume behaviors. Link: https://lore.kernel.org/r/20200318104016.28049-7-stanley.chu@mediatek.comReviewed-by:
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Stanley Chu authored
Currently a 1 ms delay is applied before polling CONTROLLER_ENABLE bit. This delay may not be required or can be changed in different controllers. Make the delay as a changeable value in struct ufs_hba to allow it customized by vendors. Link: https://lore.kernel.org/r/20200318104016.28049-6-stanley.chu@mediatek.comReviewed-by:
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Stanley Chu authored
A common delay function is introduced in UFS core driver, thus ufs-mediatek can use it instead of the private delay function. Link: https://lore.kernel.org/r/20200318104016.28049-5-stanley.chu@mediatek.comReviewed-by:
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Stanley Chu authored
Introduce a common delay function to provide flexible way for users to take choices of udelay and usleep_range into consideration according to the required delay time. Link: https://lore.kernel.org/r/20200318104016.28049-4-stanley.chu@mediatek.comReviewed-by:
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Stanley Chu authored
Use an enum to specify the host capabilities instead of #defines inside the structure definition. Link: https://lore.kernel.org/r/20200318104016.28049-3-stanley.chu@mediatek.comReviewed-by:
Bean Huo <beanhuo@micron.com> Reviewed-by:
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Stanley Chu authored
In ufshcd_disable_tx_lcc(), if ufshcd_dme_get() or ufshcd_dme_peer_get() get fail, uninitialized variable "tx_lanes" may be used as unexpected lane ID for DME configuration. Fix this issue by initializing "tx_lanes". Link: https://lore.kernel.org/r/20200318104016.28049-2-stanley.chu@mediatek.comReviewed-by:
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Gabriel Krisman Bertazi authored
If an iSCSI connection happens to fail while the daemon isn't running (due to a crash or for another reason), the kernel failure report is not received. When the daemon restarts, there is insufficient kernel state in sysfs for it to know that this happened. open-iscsi tries to reopen every connection, but on different initiators, we'd like to know which connections have failed. There is session->state, but that has a different lifetime than an iSCSI connection, so it doesn't directly reflect the connection state. [mkp: typos] Link: https://lore.kernel.org/r/20200317233422.532961-1-krisman@collabora.com Cc: Khazhismel Kumykov <khazhy@google.com> Suggested-by:
Junho Ryu <jayr@google.com> Reviewed-by:
Lee Duncan <lduncan@suse.com> Signed-off-by:
Gabriel Krisman Bertazi <krisman@collabora.com> Signed-off-by:
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Viacheslav Dubeyko authored
Trace events target_sequencer_start and target_cmd_complete (include/trace/events/target.h) are ready to show NAA identifier, LUN ID, and many other important command details in the system log: TP_printk("%s -> LUN %03u %s data_length %6u CDB %s (TA:%s C:%02x)", However, it's still hard to identify command on the initiator and command on the target in the real life output of system log. For that purpose SCSI provides a command identifier or task tag (term used in previous standards). This patch adds tag ID in the system log's output: TP_printk("%s -> LUN %03u tag %#llx %s data_length %6u CDB %s (TA:%s C:%02x)", kworker/1:1-35 [001] .... 1392.989452: target_sequencer_start: naa.5001405ec1ba6364 -> LUN 001 tag 0x1 SERVICE_ACTION_IN_16 data_length 32 CDB 9e 10 00 00 00 00 00 00 00 00 00 00 00 20 00 00 (TA:SIMPLE C:00) kworker/1:1-35 [001] .... 1392.989456: target_cmd_complete: naa.5001405ec1ba6364 <- LUN 001 tag 0x1 status GOOD (sense len 0) SERVICE_ACTION_IN_16 data_length 32 CDB 9e 10 00 00 00 00 00 00 00 00 00 00 00 20 00 00 (TA:SIMPLE C:00) Link: https://lore.kernel.org/r/226e01deaa9baf46d6ff3b8698bc9fe881f7dfc1.camel@dubeyko.comReviewed-by:Roman Bolshakov <r.bolshakov@yadro.com> Reviewed-by:
Konstantin Shelekhin <k.shelekhin@yadro.com> Reviewed-by:
Bart van Assche <bvanassche@acm.org> Signed-off-by:
Viacheslav Dubeyko <v.dubeiko@yadro.com> Signed-off-by:
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Maurizio Lombardi authored
iscsit_close_session() can only be called when nconn is zero (otherwise a kernel panic is triggered). If nconn is zero then iscsit_stop_session() does nothing and exits, so calling it makes no sense. We still need to call iscsit_check_session_usage_count() because this function will sleep if the session's refcount is not zero and we don't want to destroy the session structure if it's still being referenced. Link: https://lore.kernel.org/r/20200313170656.9716-4-mlombard@redhat.comTested-by:
Rahul Kundu <rahul.kundu@chelsio.com> Signed-off-by:
Maurizio Lombardi <mlombard@redhat.com> Signed-off-by:
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Maurizio Lombardi authored
A number of hangs have been reported against the target driver; they are due to the fact that multiple threads may try to destroy the iscsi session at the same time. This may be reproduced for example when a "targetcli iscsi/iqn.../tpg1 disable" command is executed while a logout operation is underway. When this happens, two or more threads may end up sleeping and waiting for iscsit_close_connection() to execute "complete(session_wait_comp)". Only one of the threads will wake up and proceed to destroy the session structure, the remaining threads will hang forever. Note that if the blocked threads are somehow forced to wake up with complete_all(), they will try to free the same iscsi session structure destroyed by the first thread, causing double frees, memory corruptions etc... With this patch, the threads that want to destroy the iscsi session will increase the session refcount and will set the "session_close" flag to 1; then they wait for the driver to close the remaining active connections. When the last connection is closed, iscsit_close_connection() will wake up all the threads and will wait for the session's refcount to reach zero; when this happens, iscsit_close_connection() will destroy the session structure because no one is referencing it anymore. INFO: task targetcli:5971 blocked for more than 120 seconds. Tainted: P OE 4.15.0-72-generic #81~16.04.1 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. targetcli D 0 5971 1 0x00000080 Call Trace: __schedule+0x3d6/0x8b0 ? vprintk_func+0x44/0xe0 schedule+0x36/0x80 schedule_timeout+0x1db/0x370 ? __dynamic_pr_debug+0x8a/0xb0 wait_for_completion+0xb4/0x140 ? wake_up_q+0x70/0x70 iscsit_free_session+0x13d/0x1a0 [iscsi_target_mod] iscsit_release_sessions_for_tpg+0x16b/0x1e0 [iscsi_target_mod] iscsit_tpg_disable_portal_group+0xca/0x1c0 [iscsi_target_mod] lio_target_tpg_enable_store+0x66/0xe0 [iscsi_target_mod] configfs_write_file+0xb9/0x120 __vfs_write+0x1b/0x40 vfs_write+0xb8/0x1b0 SyS_write+0x5c/0xe0 do_syscall_64+0x73/0x130 entry_SYSCALL_64_after_hwframe+0x3d/0xa2 Link: https://lore.kernel.org/r/20200313170656.9716-3-mlombard@redhat.comReported-by:Matt Coleman <mcoleman@datto.com> Tested-by:
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Maurizio Lombardi authored
iscsit_free_session() is equivalent to iscsit_stop_session() followed by a call to iscsit_close_session(). Link: https://lore.kernel.org/r/20200313170656.9716-2-mlombard@redhat.comTested-by:
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Christophe JAILLET authored
If 'dma_map_single()' fails, the ref counted 'shpnt' will be decremented twice because 'scsi_host_put()' is called in the if block, and in the error handling path. Axe one of these calls. Link: https://lore.kernel.org/r/20200228215948.7473-1-christophe.jaillet@wanadoo.fr Fixes: 1dc09e12 ("scsi: aha1740: stop using scsi_unregister") Signed-off-by:
Christophe JAILLET <christophe.jaillet@wanadoo.fr> Signed-off-by:
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Daniel Wagner authored
Remove code which has no functional use anymore since commit 3c75ad1d ("scsi: qla2xxx: Remove defer flag to indicate immeadiate port loss"). While at it remove also the stale function documentation. Link: https://lore.kernel.org/r/20200206135443.110701-1-dwagner@suse.deReviewed-by:
Arun Easi <aeasi@marvell.com> Reviewed-by:
Daniel Wagner <dwagner@suse.de> Signed-off-by:
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- 17 Mar, 2020 15 commits
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Viswas G authored
Removed the common length and introduce read and write length for IOCTL payload structure. [mkp: fixed SoB ordering] Link: https://lore.kernel.org/r/20200316074906.9119-7-deepak.ukey@microchip.comAcked-by:
Jack Wang <jinpu.wang@cloud.ionos.com> Signed-off-by:
Viswas G <viswas.g@microchip.com> Signed-off-by:
Deepak Ukey <deepak.ukey@microchip.com> Signed-off-by:
Radha Ramachandran <radha@google.com> Signed-off-by:
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Deepak Ukey authored
Added the sysfs attribute for non fatal log so that management utility can get the non fatal dump from driver. The non-fatal error is an error condition or abnormal behavior detected by the host, or detected and reported by the controller to the host.The non-fatal error does not stop the controller firmware and enables it to still respond to host requests. A typical example of a non-fatal error is an I/O timeout or an unusual error notification from the controller. Since the firmware is operational, the error dump information is pushed to host memory (by firmware) upon request from the host. Link: https://lore.kernel.org/r/20200316074906.9119-6-deepak.ukey@microchip.comAcked-by:
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Peter Chang authored
1) Move the instance tracking down after we think the instance is good to go. Avoids having a use-after free. 2) There are goto targets for trying to cleanup if the hw fails to initialize, but there's some overlap depending on who thinks they own the sub-structures. Link: https://lore.kernel.org/r/20200316074906.9119-5-deepak.ukey@microchip.comAcked-by:
Peter Chang <dpf@google.com> Signed-off-by:
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yuuzheng authored
In pm80xx driver, the command mpi_set_phy_profile_req is sent by host during boot to configure the phy profile such as analog setting page, rate control page. However, the tag is not freed when its response is received. As a result, 16 tags are missing for each HBA after boot. When NCQ is enabled with queue depth 16, it needs at least, 15 * 16 = 240 tags for each HBA to achieve the best performance. In current pm80xx driver with setting CCB_MAX = 256, the total number of tags in each HBA is 255 for data IO. Hence, without returning those tags to the pool after boot, some device will finally be forced to non-ncq mode by ATA layer due to excessive errors (i.e. LLDD cannot allocate tag for queued task). Link: https://lore.kernel.org/r/20200316074906.9119-4-deepak.ukey@microchip.comAcked-by:
yuuzheng <yuuzheng@google.com> Signed-off-by:
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Vikram Auradkar authored
A kexec reboot causes the controller fw to assert. This assertion shows up in two ways, the controller doesn't show up as ready and an interrupt is waiting as soon as the handler is registered. To resolve this added below fix: - Split the interrupt handling setup into two parts, setup and request. - If the controller ready register indicates not-ready, but that the not readiness is only on the IOC units we can still try a reset to bring the system back to the pre-reboot state. Link: https://lore.kernel.org/r/20200316074906.9119-3-deepak.ukey@microchip.comAcked-by:
Vikram Auradkar <auradkar@google.com> Signed-off-by:
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Peter Chang authored
Increasing the per-request size maximum (max_sectors_kb) runs into the per-device DMA scatter gather list limit (max_segments) for users of the io vector system calls (eg, readv and writev). This is because the kernel combines io vectors into DMA segments when possible, but it doesn't work for our user because the vectors in the buffer cache get scrambled. This change bumps the advertised max scatter gather length to 528 to cover 2M w/ x86's 4k pages and some extra for the user checksum. It trims the size of some of the tables we don't care about and exposes all of the command slots upstream to the SCSI layer. Also reduced the PM8001_MAX_CCB to 256 as pm8001 driver has memory limit depend on machine capability. If we increase the sg length, we need to trade-off it by decreasing PM8001_MAX_CCB. PM8001_MAX_CCB = 256 does not have any influence on normal use Link: https://lore.kernel.org/r/20200316074906.9119-2-deepak.ukey@microchip.comReported-by:
kbuild test robot <lkp@intel.com> Acked-by:
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Takashi Iwai authored
Since snprintf() returns the would-be-output size instead of the actual output size, the succeeding calls may go beyond the given buffer limit. Fix it by replacing with scnprintf(). Link: https://lore.kernel.org/r/20200315094241.9086-9-tiwai@suse.de Cc: "James E . J . Bottomley" <jejb@linux.ibm.com> Cc: "Martin K . Petersen" <martin.petersen@oracle.com> Cc: Don Brace <don.brace@microsemi.com> Cc: linux-scsi@vger.kernel.org Signed-off-by:
Takashi Iwai <tiwai@suse.de> Signed-off-by:
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Takashi Iwai authored
Since snprintf() returns the would-be-output size instead of the actual output size, the succeeding calls may go beyond the given buffer limit. Fix it by replacing with scnprintf(). Link: https://lore.kernel.org/r/20200315094241.9086-8-tiwai@suse.de Cc: "James E . J . Bottomley" <jejb@linux.ibm.com> Cc: "Martin K . Petersen" <martin.petersen@oracle.com> Cc: linux-scsi@vger.kernel.org Reviewed-by:
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Takashi Iwai authored
Since snprintf() returns the would-be-output size instead of the actual output size, the succeeding calls may go beyond the given buffer limit. Fix it by replacing with scnprintf(). Also corrected the wrongly passed limit size. The remaining buffer size must be decremented. Link: https://lore.kernel.org/r/20200315094241.9086-7-tiwai@suse.de Cc: "James E . J . Bottomley" <jejb@linux.ibm.com> Cc: "Martin K . Petersen" <martin.petersen@oracle.com> Cc: Kashyap Desai <kashyap.desai@broadcom.com> Cc: Sumit Saxena <sumit.saxena@broadcom.com> Cc: Shivasharan S <shivasharan.srikanteshwara@broadcom.com> Cc: linux-scsi@vger.kernel.org Signed-off-by:
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Takashi Iwai authored
Since snprintf() returns the would-be-output size instead of the actual output size, the succeeding calls may go beyond the given buffer limit. Fix it by replacing with scnprintf(). Link: https://lore.kernel.org/r/20200315094241.9086-6-tiwai@suse.de Cc: "James E . J . Bottomley" <jejb@linux.ibm.com> Cc: "Martin K . Petersen" <martin.petersen@oracle.com> Cc: Brian King <brking@us.ibm.com> Cc: linux-scsi@vger.kernel.org Signed-off-by:
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Takashi Iwai authored
Since snprintf() returns the would-be-output size instead of the actual output size, the succeeding calls may go beyond the given buffer limit. Fix it by replacing with scnprintf(). [mkp: checkpatch fix] Link: https://lore.kernel.org/r/20200315094241.9086-5-tiwai@suse.de Cc: "James E . J . Bottomley" <jejb@linux.ibm.com> Cc: "Martin K . Petersen" <martin.petersen@oracle.com> Cc: Achim Leubner <achim_leubner@adaptec.com> Cc: linux-scsi@vger.kernel.org Signed-off-by:
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Takashi Iwai authored
Since snprintf() returns the would-be-output size instead of the actual output size, the succeeding calls may go beyond the given buffer limit. Fix it by replacing with scnprintf(). Link: https://lore.kernel.org/r/20200315094241.9086-4-tiwai@suse.de Cc: "James E . J . Bottomley" <jejb@linux.ibm.com> Cc: "Martin K . Petersen" <martin.petersen@oracle.com> Cc: Satish Kharat <satishkh@cisco.com> Cc: Sesidhar Baddela <sebaddel@cisco.com> Cc: Karan Tilak Kumar <kartilak@cisco.com> Cc: linux-scsi@vger.kernel.org Signed-off-by:
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Takashi Iwai authored
Since snprintf() returns the would-be-output size instead of the actual output size, the succeeding calls may go beyond the given buffer limit. Fix it by replacing with scnprintf(). Link: https://lore.kernel.org/r/20200315094241.9086-3-tiwai@suse.de Cc: "James E . J . Bottomley" <jejb@linux.ibm.com> Cc: "Martin K . Petersen" <martin.petersen@oracle.com> Cc: Subbu Seetharaman <subbu.seetharaman@broadcom.com> Cc: Ketan Mukadam <ketan.mukadam@broadcom.com> Cc: Jitendra Bhivare <jitendra.bhivare@broadcom.com> Cc: linux-scsi@vger.kernel.org Signed-off-by:
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Takashi Iwai authored
Since snprintf() returns the would-be-output size instead of the actual output size, the succeeding calls may go beyond the given buffer limit. Fix it by replacing with scnprintf(). Link: https://lore.kernel.org/r/20200315094241.9086-2-tiwai@suse.de Cc: "James E . J . Bottomley" <jejb@linux.ibm.com> Cc: "Martin K . Petersen" <martin.petersen@oracle.com> Cc: Adaptec OEM Raid Solutions <aacraid@microsemi.com> Cc: linux-scsi@vger.kernel.org Acked-by:
Balsundar P <Balsundar.P@microchip.com> Signed-off-by:
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Jens Remus authored
Log any FC Endpoint Security errors to the kernel ring buffer with rate- limiting. Link: https://lore.kernel.org/r/20200312174505.51294-11-maier@linux.ibm.comReviewed-by:
Steffen Maier <maier@linux.ibm.com> Signed-off-by:
Jens Remus <jremus@linux.ibm.com> Signed-off-by:
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