- 22 Oct, 2010 27 commits
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Alan Cox authored
Signed-off-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Alan Cox authored
Again basically cut and paste Convert the main driver set to use the hooks for GICOUNT Signed-off-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Alan Cox authored
Simple pasting job using the new ops function. Also fix a couple of devices directly returning the internal struct (which happens at this point to match for the fields that matter but isn't correct or futureproof) Signed-off-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Alan Cox authored
Dan Rosenberg noted that various drivers return the struct with uncleared fields. Instead of spending forever trying to stomp all the drivers that get it wrong (and every new driver) do the job in one place. This first patch adds the needed operations and hooks them up, including the needed USB midlayer and serial core plumbing. Signed-off-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Davidlohr Bueso authored
Fix memory leaks in max3107_probe() when returning on error. Signed-off-by: Davidlohr Bueso <dave@gnu.org> Acked-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Alan Cox authored
And while we are at it allow it to fail to find one. Without this the IRQ option will cause the 3110 driver to fail on 0.7 SFI firmware. Acked-by: Feng Tang <feng.tang@intel.com> Signed-off-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Feng Tang authored
The cleanup for mrst_max3110 includes: * remove unneeded head files * make the spi_transfer dma safe, so that driver is more portable * add more check for error return value * use mutex_trylock for read thread Signed-off-by: Feng Tang <feng.tang@intel.com> Signed-off-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Vasiliy Kulikov authored
Function tty_register_device may return ERR_PTR(...). Check for it. Signed-off-by: Vasiliy Kulikov <segooon@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Jiri Slaby authored
Vasiliy found that pci_disable_device is not called on fail paths in mxser_probe. Actually, it is called from nowhere in the driver. There are three changes needed: 1) don't use pseudo-generic mxser_release_res. Let's use it only from ISA paths from now on. All the pci stuff is moved to probe and remove PCI-related functions. 2) reorder fail-paths in the probe function so that it makes sense and we can call them from the sequential code naturally (the further we are the earlier label we go to). 3) add pci_disable_device both to mxser_probe and mxser_remove. There is a nit of adding CONFIG_PCI ifdef to mxser_remove. it is because this driver supports ISA-only compilations and it would choke up on the newly added calls now. Signed-off-by: Jiri Slaby <jslaby@suse.cz> Cc: Kulikov Vasiliy <segooon@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Samo Pogacnik authored
Ttyprintk is a pseudo TTY driver, which allows users to make printk messages, via output to ttyprintk device. It is possible to store "console" messages inline with kernel messages for better analyses of the boot process, for example. Signed-off-by: Samo Pogacnik <samo_pogacnik@t-2.net> Acked-by: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Jason Wang authored
The commit 4547be78 rewrites suspend and resume functions. According to this rewrite, when a serial port is a printk console device and can suspend(without set no_console_suspend flag), it will definitely call set_termios function during its resume, but parameter termios isn't initialized, this will pass an unpredictable config to the serial port. If this serial port is not a userspace opened tty device , a suspend and resume action will make this serial port unusable. I.E. ttyS0 is a printk console device, ttyS1 or keyboard+display is userspace tty device, a suspend/resume action will make ttyS0 unusable. If a serial port is both a printk console device and an opened tty device, this issue can be overcome because it will call set_termios again with the correct parameter in the uart_change_speed function. Refer to the deleted content of commit 4547be78, revert parts relate to restore settings into parameter termios. It is safe because if a serial port is a printk console only device, the only meaningful field in termios is c_cflag and its old config is saved in uport->cons->cflag, if this port is also an opened tty device, it will clear uport->cons->cflag in the uart_open and the old config is saved in tty->termios. Signed-off-by: Jason Wang <jason77.wang@gmail.com> Acked-by: Stanislav Brabec <sbrabec@suse.cz> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Jason Wang authored
The commit 4547be78 rewrites suspend and resume functions, this introduces a problem on the OMAP3EVM platoform. when the kernel boots with no_console_suspend and we suspend the kernel, then resume it, the serial console will be not usable. This problem should be common for all platforms. The cause for this problem is that when enter suspend, if we choose no_console_suspend, the console_stop will be skiped. But in resume function, the console port will be set to uninitialized state by calling set_termios function and the console_start is called without checking whether the no_console_suspend is set, Now fix it. Signed-off-by: Jason Wang <jason77.wang@gmail.com> Acked-by: Stanislav Brabec <sbrabec@suse.cz> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Jeff Mahoney authored
This patch converts s390 to use asm-generic/ioctls.h instead of its own version. The differences between the arch-specific version and the generic version are as follows: - S390 defines its own value for FIOQSIZE, asm-generic/ioctls.h keeps it - The generic version adds TIOCGRS485 and TIOCGRS485, which are unused by any driver available on this architecture - The generic version adds support for termiox Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Jeff Mahoney <jeffm@suse.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Jeff Mahoney authored
This patch converts mn10300 to use asm-generic/ioctls.h instead of its own version. The differences between the arch-specific version and the generic version are as follows: - The generic version provides TIOCGRS485 and TIOCSRS485 but they are unused by any driver available for this architecture. - The generic version adds support for termiox Cc: David Howells <dhowells@redhat.com> Cc: Koichi Yasutake <yasutake.koichi@jp.panasonic.com> Signed-off-by: Jeff Mahoney <jeffm@suse.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Jeff Mahoney authored
This patch converts m68k to use asm-generic/ioctls.h instead of its own version. The differences between the arch-specific version and the generic version are as follows: - m68k defines its own value for FIOQSIZE, asm-generic/ioctls.h keeps it - The generic version adds TIOCSRS485 and TIOCGRS485m which are unused by any driver available on this architecture. - The generic version adds support for termiox Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Jeff Mahoney <jeffm@suse.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Jeff Mahoney authored
This patch converts m32r to use asm-generic/ioctls.h instead of its own version. The differences between the arch-specific version and the generic version are as follows: - The generic version adds TIOCGRS485 and TIOCGRS485, which are unused by any driver available on this architecture. - The generic version adds support for termiox Cc: Hirokazu Takata <takata@linux-m32r.org> Cc: Greg Kroah-Hartman <gregkh@suse.de> Signed-off-by: Jeff Mahoney <jeffm@suse.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Jeff Mahoney authored
This patch converts ia64 to use asm-generic/ioctls.h instead of its own version. The differences between the arch-specific version and the generic version are as follows: - The generic version adds TIOCSRS485 and TIOCGRS485, which are unused by any driver available on this architecture. - The generic version adds support for termiox Cc: Tony Luck <tony.luck@intel.com> Cc: Fenghua Yu <fenghua.yu@intel.com> Signed-off-by: Jeff Mahoney <jeffm@suse.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Jeff Mahoney authored
This patch converts h8300 to use asm-generic/ioctls.h instead of its own version. The differences between the arch-specific version and the generic version are as follows: - H8300 defines its own value for FIOQSIZE, asm-generic/ioctls.h keeps it - The generic version adds TIOCSRS485 and TIOGSRS485, but are unused by any driver available on this architecture. - The generic version adds support for termiox Cc: Yoshinori Sato <ysato@users.sourceforge.jp> Signed-off-by: Jeff Mahoney <jeffm@suse.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Jeff Mahoney authored
This patch converts frv to use asm-generic/ioctls.h instead of its own version. The differences between the arch-specific version and the generic version are as follows: - FRV defines its own value for FIOQSIZE, asm-generic/ioctls.h keeps it - FRV defines TIOCTTYGSTRUCT, kept in arch-specific version - The generic version provides TIOCGRS485 and TIOCSRS485 but they are unused by any driver available for this architecture. - The generic version adds support for termiox Cc: David Howells <dhowells@redhat.com> Signed-off-by: Jeff Mahoney <jeffm@suse.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Jeff Mahoney authored
This patch converts cris to use asm-generic/ioctls.h instead of its own version. The differences between the arch-specific version and the generic version are as follows: - CRIS defines two ioctls: TIOCSERSETRS485 and TIOCSERWRRS485, kept in arch-specific portion - CRIS defines a different value for TIOCSRS485, kept via ifndef in generic - The generic version adds support for termiox Cc: Mikael Starvik <starvik@axis.com> Cc: Jesper Nilsson <jesper.nilsson@axis.com> Signed-off-by: Jeff Mahoney <jeffm@suse.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Jeff Mahoney authored
This patch converts avr32 to use asm-generic/ioctls.h instead of its own version. The differences between the arch-specific version and the generic version are as follows: - The generic version adds support for termiox Acked-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com> Signed-off-by: Jeff Mahoney <jeffm@suse.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Jeff Mahoney authored
This patch converts arm to use asm-generic/ioctls.h instead of its own version. The differences between the arch-specific version and the generic version are as follows: - ARM defines its own value for FIOQSIZE, asm-generic/ioctls.h keeps it - The generic version adds support for termiox Reviewed-by: Russell King <rmk+kernel@arm.linux.org.uk> Signed-off-by: Jeff Mahoney <jeffm@suse.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Pekka Enberg authored
This patch removes __GFP_NOFAIL use from tty_add_file() and adds proper error handling to the call-sites of the function. Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Cc: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Pekka Enberg <penberg@kernel.org> Acked-by: David Rientjes <rientjes@google.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Michal Simek authored
CONSOLE_POLL support for uartlite enables KGDB debugging over serial line. Signed-off-by: Michal Simek <monstr@monstr.eu> Signed-off-by: Jason Wessel <jason.wessel@windriver.com> Acked-by: Peter Korsgaard <jacmet@sunsite.dk> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Dan Carpenter authored
snprintf() returns the number of bytes which would have been written so it can be larger than the size of the buffer. In this case it's fine, but people copy and paste this code so I've fixed it. Signed-off-by: Dan Carpenter <error27@gmail.com> Acked-by: Feng Tang <feng.tang@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Dmitry Eremin-Solenikov authored
Make serport serio device to be a child of corresponding tty device instead of just hanging at /sys/devices/serioX. Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> Acked-by: Dmitry Torokhov <dtor@mail.ru> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Dmitry Eremin-Solenikov authored
Some device drivers (mostly tty line disciplines) would like to have way know a struct device instance corresponding to passed tty_struct. Add a struct device pointer to struct tty_struct and populate it during initialize_tty_struct(). Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> Acked-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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- 20 Oct, 2010 5 commits
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Linus Torvalds authored
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git://git.linux-mips.org/pub/scm/upstream-linusLinus Torvalds authored
* 'upstream' of git://git.linux-mips.org/pub/scm/upstream-linus: MIPS: O32 compat/N32: Fix to use compat syscall wrappers for AIO syscalls. MAINTAINERS: Change list for ioc_serial to linux-serial. SERIAL: ioc3_serial: Return -ENOMEM on memory allocation failure MIPS: jz4740: Fix Kbuild Platform file. MIPS: Repair Kbuild make clean breakage.
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Amit Shah authored
If the host is slow in reading data or doesn't read data at all, blocking write calls not only blocked the program that called write() but the entire guest itself. To overcome this, let's not block till the host signals it has given back the virtio ring element we passed it. Instead, send the buffer to the host and return to userspace. This operation then becomes similar to how non-blocking writes work, so let's use the existing code for this path as well. This code change also ensures blocking write calls do get blocked if there's not enough room in the virtio ring as well as they don't return -EAGAIN to userspace. Signed-off-by: Amit Shah <amit.shah@redhat.com> Acked-by: Hans de Goede <hdegoede@redhat.com> CC: stable@kernel.org Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6Linus Torvalds authored
* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6: [SCSI] bsg: fix incorrect device_status value [SCSI] Fix VPD inquiry page wrapper
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git://git.kernel.org/pub/scm/virt/kvm/kvmLinus Torvalds authored
* 'kvm-updates/2.6.36' of git://git.kernel.org/pub/scm/virt/kvm/kvm: KVM: Fix fs/gs reload oops with invalid ldt
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- 19 Oct, 2010 7 commits
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Michel Thebeau authored
[Ralf: Michel's original patch only fixed N32; I replicated the same fix for O32.] Signed-off-by: Michel Thebeau <michel.thebeau@windriver.com> Cc: paul.gortmaker@windriver.com Cc: bruce.ashfield@windriver.com Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Ralf Baechle authored
IOC3 is also being used on SGI MIPS systems but this particular driver is only being used on IA64 systems so linux-mips made no sense as a list. Pat also thinks linux-serial@vger.kernel.org is the better list. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Julia Lawall authored
In this code, 0 is returned on memory allocation failure, even though other failures return -ENOMEM or other similar values. A simplified version of the semantic match that finds this problem is as follows: (http://coccinelle.lip6.fr/) // <smpl> @@ expression ret; expression x,e1,e2,e3; @@ ret = 0 ... when != ret = e1 *x = \(kmalloc\|kcalloc\|kzalloc\)(...) ... when != ret = e2 if (x == NULL) { ... when != ret = e3 return ret; } // </smpl> Signed-off-by: Julia Lawall <julia@diku.dk> To: Pat Gefre <pfg@sgi.com> Cc: kernel-janitors@vger.kernel.org Cc: linux-ia64@vger.kernel.org Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/1704/Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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David Daney authored
The platform specific files should be included via the platform-y variable. Signed-off-by: David Daney <ddaney@caviumnetworks.com> Cc: Lars-Peter Clausen <lars@metafoo.de> Patchwork: https://patchwork.linux-mips.org/patch/1719/Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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David Daney authored
When running make clean, Kbuild doesn't process the .config file, so nothing generates a platform-y variable. We can get it to descend into the platform directories by setting $(obj-). The dec Platform file was unconditionally setting platform-, obliterating its previous contents and preventing some directories from being cleaned. This is change to an append operation '+=' to allow cavium-octeon to be cleaned. Signed-off-by: David Daney <ddaney@caviumnetworks.com> Cc: Sam Ravnborg <sam@ravnborg.org> Patchwork: https://patchwork.linux-mips.org/patch/1718/Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6Linus Torvalds authored
* 'drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6: drm/radeon/kms: avivo cursor workaround applies to evergreen as well
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Avi Kivity authored
kvm reloads the host's fs and gs blindly, however the underlying segment descriptors may be invalid due to the user modifying the ldt after loading them. Fix by using the safe accessors (loadsegment() and load_gs_index()) instead of home grown unsafe versions. This is CVE-2010-3698. KVM-Stable-Tag. Signed-off-by: Avi Kivity <avi@redhat.com> Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
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- 18 Oct, 2010 1 commit
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git://git.linux-mips.org/pub/scm/upstream-linusLinus Torvalds authored
* 'upstream' of git://git.linux-mips.org/pub/scm/upstream-linus: MIPS: Enable ISA_DMA_API config to fix build failure MIPS: 32-bit: Fix build failure in asm/fcntl.h MIPS: Remove all generated vmlinuz* files on "make clean" MIPS: do_sigaltstack() expects userland pointers MIPS: Fix error values in case of bad_stack MIPS: Sanitize restart logics MIPS: secure_computing, syscall audit: syscall number should in r2, not r0. MIPS: Don't block signals if we'd failed to setup a sigframe
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