- 01 May, 2020 40 commits
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Wei Yongjun authored
platform_get_resource() may fail and return NULL, so we should better check it's return value to avoid a NULL pointer dereference since devm_ioremap() does not check input parameters for null. This is detected by Coccinelle semantic patch. @@ expression pdev, res, n, t, e, e1, e2; @@ res = \(platform_get_resource\|platform_get_resource_byname\)(pdev, t, n); + if (!res) + return -EINVAL; ... when != res == NULL e = devm_ioremap(e1, res->start, e2); Fixes: 03f66f06 ("net: ethernet: ti: davinci_mdio: use devm_ioremap()") Signed-off-by:
Wei Yongjun <weiyongjun1@huawei.com> Reviewed-by:
Grygorii Strashko <grygorii.strashko@ti.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Jesper Dangaard Brouer authored
In skb_panic() the real pointer values are really needed to diagnose issues, e.g. data and head are related (to calculate headroom). The hashed versions of the addresses doesn't make much sense here. The patch use the printk specifier %px to print the actual address. The printk documentation on %px: https://www.kernel.org/doc/html/latest/core-api/printk-formats.html#unmodified-addresses Fixes: ad67b74d ("printk: hash addresses printed with %p") Signed-off-by:
Jesper Dangaard Brouer <brouer@redhat.com> Signed-off-by:
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Christophe Roullier authored
No new feature, just to simplify stm32 part to be easier to use. Add by default all Ethernet clocks in DT, and activate or not in function of phy mode, clock frequency, if property "st,ext-phyclk" is set or not. Keep backward compatibility -------------------------------------------------------------------------- |PHY_MODE | Normal | PHY wo crystal| PHY wo crystal | No 125Mhz | | | | 25MHz | 50MHz | from PHY | -------------------------------------------------------------------------- | MII | - | eth-ck | n/a | n/a | | | | st,ext-phyclk | | | -------------------------------------------------------------------------- | GMII | - | eth-ck | n/a | n/a | | | | st,ext-phyclk | | | -------------------------------------------------------------------------- | RGMII | - | eth-ck | n/a | eth-ck | | | | st,ext-phyclk | |st,eth-clk-sel| | | | | | or | | | | | | st,ext-phyclk| ----------------==-------------------------------------------------------- | RMII | - | eth-ck | eth-ck | n/a | | | | st,ext-phyclk | st,eth-ref-clk-sel | | | | | | or st,ext-phyclk | | -------------------------------------------------------------------------- Signed-off-by:
Christophe Roullier <christophe.roullier@st.com> Acked-by:
Alexandre TORGUE <alexandre.torgue@st.com> Signed-off-by:
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Cambda Zhu authored
This patch changes the behavior of TCP_LINGER2 about its limit. The sysctl_tcp_fin_timeout used to be the limit of TCP_LINGER2 but now it's only the default value. A new macro named TCP_FIN_TIMEOUT_MAX is added as the limit of TCP_LINGER2, which is 2 minutes. Since TCP_LINGER2 used sysctl_tcp_fin_timeout as the default value and the limit in the past, the system administrator cannot set the default value for most of sockets and let some sockets have a greater timeout. It might be a mistake that let the sysctl to be the limit of the TCP_LINGER2. Maybe we can add a new sysctl to set the max of TCP_LINGER2, but FIN-WAIT-2 timeout is usually no need to be too long and 2 minutes are legal considering TCP specs. Changes in v3: - Remove the new socket option and change the TCP_LINGER2 behavior so that the timeout can be set to value between sysctl_tcp_fin_timeout and 2 minutes. Changes in v2: - Add int overflow check for the new socket option. Changes in v1: - Add a new socket option to set timeout greater than sysctl_tcp_fin_timeout. Signed-off-by:
Cambda Zhu <cambda@linux.alibaba.com> Signed-off-by:
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David S. Miller authored
Heiner Kallweit says: ==================== r8169: improve user message handling Series improves few aspects of handling messages to users. ==================== Signed-off-by: -
Heiner Kallweit authored
Considering the few messages we have in the driver, there's not really a benefit in being able to control them on a message type level. Therefore simplify the code and switch to the netdev_xxx message functions. In addition add net_ratelimit() to messages that can be printed from a hot path. Signed-off-by:
Heiner Kallweit <hkallweit1@gmail.com> Signed-off-by:
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Heiner Kallweit authored
When preparing an unrelated change, checkpatch complained about this redundant out-of-memory message. Therefore remove it. Signed-off-by:
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Heiner Kallweit authored
The counter handling functions can only fail if rtl8169_do_counters() times out. In the poll function we emit an error message in case of timeout, therefore we don't have to propagate the timeout all the way up just to print another message basically saying the same. Signed-off-by:
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Heiner Kallweit authored
Net core - __dev_set_promiscuity - prints a message already when promiscuous mode in entered/left, therefore we don't have to do this in the driver too. Also the driver message would be misleading (would be because "link" message level is disabled per default) because it would print "promisc mode enabled" even if it's being left. Reason is that __dev_change_flags() calls dev_set_rx_mode() before touching the promisc flag. Signed-off-by:
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David S. Miller authored
Mauro Carvalho Chehab says: ==================== net: manually convert files to ReST format - part 3 (final) That's the third part (and the final one) of my work to convert the networking text files into ReST. it is based on linux-next next-20200430 branch. The full series (including those ones) are at: https://git.linuxtv.org/mchehab/experimental.git/log/?h=net-docs The built output documents, on html format is at: https://www.infradead.org/~mchehab/kernel_docs/networking/ ==================== Signed-off-by:
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Mauro Carvalho Chehab authored
Since changeset 58ad30cf ("docs: fix reference to core-api/namespaces.rst"), auto-references for chapters are generated. This is a nice feature, but has a drawback: no chapters can have the same sumber. So, we need to change two chapter titles, to avoid warnings when building the docs. Fixes: 58ad30cf ("docs: fix reference to core-api/namespaces.rst") Signed-off-by:
Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by:
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Mauro Carvalho Chehab authored
This file is already in ReST format. Add it to the net index.rst, in order to make it part of the documentation body. Signed-off-by:
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Mauro Carvalho Chehab authored
- add SPDX header; - adjust title markup; - mark code blocks and literals as such; - adjust identation, whitespaces and blank lines where needed; - add to networking/index.rst. Signed-off-by:
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Mauro Carvalho Chehab authored
- add SPDX header; - adjust titles and chapters, adding proper markups; - mark tables as such; - mark code blocks and literals as such; - adjust identation, whitespaces and blank lines where needed; - add to networking/index.rst. Signed-off-by:
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Mauro Carvalho Chehab authored
- add SPDX header; - adjust titles and chapters, adding proper markups; - mark code blocks and literals as such; - adjust identation, whitespaces and blank lines where needed; - add to networking/index.rst. Signed-off-by:
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Mauro Carvalho Chehab authored
- add SPDX header; - adjust titles and chapters, adding proper markups; - use :field: markup; - mark code blocks and literals as such; - adjust identation, whitespaces and blank lines where needed; - add to networking/index.rst. Signed-off-by:
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Mauro Carvalho Chehab authored
- add SPDX header; - mark code blocks and literals as such; - adjust identation, whitespaces and blank lines where needed; - add to networking/index.rst. Signed-off-by:
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Mauro Carvalho Chehab authored
- add SPDX header; - add a document title; - adjust titles and chapters, adding proper markups; - mark code blocks and literals as such; - mark lists as such; - adjust identation, whitespaces and blank lines where needed; - add to networking/index.rst. Signed-off-by:
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Mauro Carvalho Chehab authored
- add SPDX header; - add a document title; - mark code blocks and literals as such; - mark tables as such; - adjust identation, whitespaces and blank lines where needed; - add to networking/index.rst. Signed-off-by:
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Mauro Carvalho Chehab authored
- add SPDX header; - adjust titles and chapters, adding proper markups; - comment out text-only TOC from html/pdf output; - mark code blocks and literals as such; - adjust identation, whitespaces and blank lines where needed; - add to networking/index.rst. Signed-off-by:
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Mauro Carvalho Chehab authored
- add SPDX header; - add a document title; - comment out text-only TOC from html/pdf output; - mark code blocks and literals as such; - adjust identation, whitespaces and blank lines where needed; - add to networking/index.rst. Signed-off-by:
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Mauro Carvalho Chehab authored
- add SPDX header; - adjust titles and chapters, adding proper markups; - mark code blocks and literals as such; - adjust identation, whitespaces and blank lines where needed; - add to networking/index.rst. Signed-off-by:
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Mauro Carvalho Chehab authored
- add SPDX header; - adjust titles and chapters, adding proper markups; - comment out text-only TOC from html/pdf output; - use copyright symbol; - use :field: markup; - mark code blocks and literals as such; - mark tables as such; - adjust identation, whitespaces and blank lines where needed; - add to networking/index.rst. Signed-off-by:
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Mauro Carvalho Chehab authored
- add SPDX header; - adjust titles and chapters, adding proper markups; - comment out text-only TOC from html/pdf output; - use copyright symbol; - use :field: markup; - mark code blocks and literals as such; - mark tables as such; - adjust identation, whitespaces and blank lines where needed; - add to networking/index.rst. Signed-off-by:
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Mauro Carvalho Chehab authored
- add SPDX header; - adjust titles and chapters, adding proper markups; - use :field: markup; - add to networking/index.rst. Signed-off-by:
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Mauro Carvalho Chehab authored
- add SPDX header; - adjust titles and chapters, adding proper markups; - mark code blocks and literals as such; - use :field: markup; - add to networking/index.rst. Signed-off-by:
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Mauro Carvalho Chehab authored
- add SPDX header; - mark code blocks and literals as such; - mark lists as such; - adjust identation, whitespaces and blank lines where needed; - add to networking/index.rst. Signed-off-by:
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Mauro Carvalho Chehab authored
- add SPDX header; - adjust titles and chapters, adding proper markups; - comment out text-only TOC from html/pdf output; - mark code blocks and literals as such; - mark tables as such; - adjust identation, whitespaces and blank lines where needed; - add to networking/index.rst. Signed-off-by:
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Mauro Carvalho Chehab authored
- add SPDX header; - add a document title; - mark code blocks and literals as such; - adjust identation, whitespaces and blank lines where needed; - add to networking/index.rst. Signed-off-by:
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Mauro Carvalho Chehab authored
- add SPDX header; - add a document title; - mark lists as such; - mark tables as such; - mark code blocks and literals as such; - use the right horizontal tag markup; - adjust identation, whitespaces and blank lines where needed; - add to networking/index.rst. Signed-off-by:
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Mauro Carvalho Chehab authored
- add SPDX header; - adjust title markup; - mark code blocks and literals as such; - adjust identation, whitespaces and blank lines where needed; - add to networking/index.rst. Signed-off-by:
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Mauro Carvalho Chehab authored
- add SPDX header; - use copyright symbol; - adjust titles and chapters, adding proper markups; - comment out text-only TOC from html/pdf output; - mark code blocks and literals as such; - add notes markups; - mark tables as such; - mark lists as such; - adjust identation, whitespaces and blank lines where needed; - add to networking/index.rst. Signed-off-by:
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Mauro Carvalho Chehab authored
- add SPDX header; - use copyright symbol; - adjust title and its markup; - comment out text-only TOC from html/pdf output; - mark code blocks and literals as such; - adjust identation, whitespaces and blank lines where needed; - add to networking/index.rst. Signed-off-by:
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Mauro Carvalho Chehab authored
- add SPDX header; - adjust titles and chapters, adding proper markups; - mark code blocks and literals as such; - mark tables as such; - adjust identation, whitespaces and blank lines where needed; - add to networking/index.rst. Signed-off-by:
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Mauro Carvalho Chehab authored
- add SPDX header; - add a document title; - mark code blocks and literals as such; - mark tables as such; - adjust identation, whitespaces and blank lines where needed; - add to networking/index.rst. Signed-off-by:
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Mauro Carvalho Chehab authored
- add SPDX header; - adjust titles and chapters, adding proper markups; - mark code blocks and literals as such; - add notes markups; - mark tables as such; - adjust identation, whitespaces and blank lines where needed; - add to networking/index.rst. Signed-off-by:
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Mauro Carvalho Chehab authored
- add SPDX header; - use copyright symbol; - adjust titles and chapters, adding proper markups; - mark tables as such; - mark code blocks and literals as such; - adjust identation, whitespaces and blank lines where needed; - add to networking/index.rst. Signed-off-by:
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Mauro Carvalho Chehab authored
Not much to be done here: - add SPDX header; - add a document title; - add a chapter's markup; - add to networking/index.rst. Signed-off-by:
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Mauro Carvalho Chehab authored
- add SPDX header; - add a document title; - adjust titles and chapters, adding proper markups; - mark code blocks and literals as such; - adjust identation, whitespaces and blank lines where needed; - add to networking/index.rst. Signed-off-by:
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Mauro Carvalho Chehab authored
- add SPDX header; - adjust title markup; - adjust identation, whitespaces and blank lines where needed; - add to networking/index.rst. Signed-off-by:
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