linux-stable.git/drivers/pinctrl, branch v6.4.4 Linux kernel stable tree pinctrl: at91-pio4: check return value of devm_kasprintf() 2023-07-19T14:36:15+00:00 Claudiu Beznea claudiu.beznea@microchip.com 2023-06-15T10:53:33+00:00 8a1fa202f47f39680a4305af744f499a324f8a03 [ Upstream commit f6fd5d4ff8ca0b24cee1af4130bcb1fa96b61aa0 ] devm_kasprintf() returns a pointer to dynamically allocated memory. Pointer could be NULL in case allocation fails. Check pointer validity. Identified with coccinelle (kmerr.cocci script). Fixes: 776180848b57 ("pinctrl: introduce driver for Atmel PIO4 controller") Depends-on: 1c4e5c470a56 ("pinctrl: at91: use devm_kasprintf() to avoid potential leaks") Depends-on: 5a8f9cf269e8 ("pinctrl: at91-pio4: use proper format specifier for unsigned int") Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Link: https://lore.kernel.org/r/20230615105333.585304-4-claudiu.beznea@microchip.com Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Sasha Levin <sashal@kernel.org> 
[ Upstream commit f6fd5d4ff8ca0b24cee1af4130bcb1fa96b61aa0 ]

devm_kasprintf() returns a pointer to dynamically allocated memory.
Pointer could be NULL in case allocation fails. Check pointer validity.
Identified with coccinelle (kmerr.cocci script).

Fixes: 776180848b57 ("pinctrl: introduce driver for Atmel PIO4 controller")
Depends-on: 1c4e5c470a56 ("pinctrl: at91: use devm_kasprintf() to avoid potential leaks")
Depends-on: 5a8f9cf269e8 ("pinctrl: at91-pio4: use proper format specifier for unsigned int")
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20230615105333.585304-4-claudiu.beznea@microchip.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
pinctrl: microchip-sgpio: check return value of devm_kasprintf() 2023-07-19T14:36:15+00:00 Claudiu Beznea claudiu.beznea@microchip.com 2023-06-15T10:53:32+00:00 06478a293d52727e1d9919858d79fedaf480c195 [ Upstream commit 310cd4c206cd04696ccbfd1927b5ab6973e8cc8e ] devm_kasprintf() returns a pointer to dynamically allocated memory. Pointer could be NULL in case allocation fails. Check pointer validity. Identified with coccinelle (kmerr.cocci script). Fixes: 7e5ea974e61c ("pinctrl: pinctrl-microchip-sgpio: Add pinctrl driver for Microsemi Serial GPIO") Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Link: https://lore.kernel.org/r/20230615105333.585304-3-claudiu.beznea@microchip.com Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Sasha Levin <sashal@kernel.org> 
[ Upstream commit 310cd4c206cd04696ccbfd1927b5ab6973e8cc8e ]

devm_kasprintf() returns a pointer to dynamically allocated memory.
Pointer could be NULL in case allocation fails. Check pointer validity.
Identified with coccinelle (kmerr.cocci script).

Fixes: 7e5ea974e61c ("pinctrl: pinctrl-microchip-sgpio: Add pinctrl driver for Microsemi Serial GPIO")
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20230615105333.585304-3-claudiu.beznea@microchip.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
pinctrl: freescale: Fix a memory out of bounds when num_configs is 1 2023-07-19T14:36:15+00:00 Xiaolei Wang xiaolei.wang@windriver.com 2023-05-04T23:37:36+00:00 27d9a7585b594bb2f9bb1f65e0003814fcc69c75 [ Upstream commit 9063777ca1e2e895c5fdd493ee0c3f18fa710ed4 ] The config passed in by pad wakeup is 1, when num_configs is 1, Configuration [1] should not be fetched, which will be detected by KASAN as a memory out of bounds condition. Modify to get configs[1] when num_configs is 2. Fixes: f60c9eac54af ("gpio: mxc: enable pad wakeup on i.MX8x platforms") Signed-off-by: Xiaolei Wang <xiaolei.wang@windriver.com> Reviewed-by: Peng Fan <peng.fan@nxp.com> Link: https://lore.kernel.org/r/20230504233736.3766296-1-xiaolei.wang@windriver.com Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Sasha Levin <sashal@kernel.org> 
[ Upstream commit 9063777ca1e2e895c5fdd493ee0c3f18fa710ed4 ]

The config passed in by pad wakeup is 1, when num_configs is 1,
Configuration [1] should not be fetched, which will be detected
by KASAN as a memory out of bounds condition. Modify to get
configs[1] when num_configs is 2.

Fixes: f60c9eac54af ("gpio: mxc: enable pad wakeup on i.MX8x platforms")
Signed-off-by: Xiaolei Wang <xiaolei.wang@windriver.com>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
Link: https://lore.kernel.org/r/20230504233736.3766296-1-xiaolei.wang@windriver.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
pinctrl: npcm7xx: Add missing check for ioremap 2023-07-19T14:36:13+00:00 Jiasheng Jiang jiasheng@iscas.ac.cn 2023-06-07T09:58:29+00:00 ee16d015d84a3b16de3a1af38ebf57db164b1083 [ Upstream commit ad64639417161e90b30dda00486570eb150aeee5 ] Add check for ioremap() and return the error if it fails in order to guarantee the success of ioremap(). Fixes: 3b588e43ee5c ("pinctrl: nuvoton: add NPCM7xx pinctrl and GPIO driver") Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn> Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> Link: https://lore.kernel.org/r/20230607095829.1345-1-jiasheng@iscas.ac.cn Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Sasha Levin <sashal@kernel.org> 
[ Upstream commit ad64639417161e90b30dda00486570eb150aeee5 ]

Add check for ioremap() and return the error if it fails in order to
guarantee the success of ioremap().

Fixes: 3b588e43ee5c ("pinctrl: nuvoton: add NPCM7xx pinctrl and GPIO driver")
Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20230607095829.1345-1-jiasheng@iscas.ac.cn
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
pinctrl:sunplus: Add check for kmalloc 2023-07-19T14:36:12+00:00 Wells Lu wellslutw@gmail.com 2023-05-28T12:34:37+00:00 cc76bc8db5ef29fba008eea7b0ddf842c46c4d51 [ Upstream commit 73f8ce7f961afcb3be49352efeb7c26cc1c00cc4 ] Fix Smatch static checker warning: potential null dereference 'configs'. (kmalloc returns null) Changes in v2: 1. Add free allocated memory before returned -ENOMEM. 2. Add call of_node_put() before returned -ENOMEM. Fixes: aa74c44be19c ("pinctrl: Add driver for Sunplus SP7021") Signed-off-by: Wells Lu <wellslutw@gmail.com> Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> Link: https://lore.kernel.org/r/1685277277-12209-1-git-send-email-wellslutw@gmail.com [Rebased on the patch from Lu Hongfei] Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Sasha Levin <sashal@kernel.org> 
[ Upstream commit 73f8ce7f961afcb3be49352efeb7c26cc1c00cc4 ]

Fix Smatch static checker warning:
potential null dereference 'configs'. (kmalloc returns null)

Changes in v2:
1. Add free allocated memory before returned -ENOMEM.
2. Add call of_node_put() before returned -ENOMEM.

Fixes: aa74c44be19c ("pinctrl: Add driver for Sunplus SP7021")
Signed-off-by: Wells Lu <wellslutw@gmail.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/1685277277-12209-1-git-send-email-wellslutw@gmail.com
[Rebased on the patch from Lu Hongfei]
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
pinctrl: cherryview: Return correct value if pin in push-pull mode 2023-07-19T14:36:12+00:00 Andy Shevchenko andriy.shevchenko@linux.intel.com 2023-06-05T14:37:34+00:00 1a434752853e41503e3e7edcdb4bdc24a2dbe373 [ Upstream commit 5835196a17be5cfdcad0b617f90cf4abe16951a4 ] Currently the getter returns ENOTSUPP on pin configured in the push-pull mode. Fix this by adding the missed switch case. Fixes: ccdf81d08dbe ("pinctrl: cherryview: add option to set open-drain pin config") Fixes: 6e08d6bbebeb ("pinctrl: Add Intel Cherryview/Braswell pin controller support") Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Sasha Levin <sashal@kernel.org> 
[ Upstream commit 5835196a17be5cfdcad0b617f90cf4abe16951a4 ]

Currently the getter returns ENOTSUPP on pin configured in
the push-pull mode. Fix this by adding the missed switch case.

Fixes: ccdf81d08dbe ("pinctrl: cherryview: add option to set open-drain pin config")
Fixes: 6e08d6bbebeb ("pinctrl: Add Intel Cherryview/Braswell pin controller support")
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
pinctrl: tegra: Duplicate pinmux functions table 2023-07-19T14:36:11+00:00 Thierry Reding treding@nvidia.com 2023-05-30T10:53:07+00:00 db103b83658c1fd8fe2e02f470d4856cd72be9a9 [ Upstream commit fad57233501beb5bd25f037cb9128a533e710600 ] The function table is filled with group information based on other instance-specific data at runtime. However, the function table can be shared between multiple instances, causing the ->probe() function for one instance to overwrite the table of a previously probed instance. Fix this by sharing only the function names and allocating a separate function table for each instance. Fixes: 5a0047360743 ("pinctrl: tegra: Separate Tegra194 instances") Signed-off-by: Thierry Reding <treding@nvidia.com> Link: https://lore.kernel.org/r/20230530105308.1292852-1-thierry.reding@gmail.com Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Sasha Levin <sashal@kernel.org> 
[ Upstream commit fad57233501beb5bd25f037cb9128a533e710600 ]

The function table is filled with group information based on other
instance-specific data at runtime. However, the function table can be
shared between multiple instances, causing the ->probe() function for
one instance to overwrite the table of a previously probed instance.

Fix this by sharing only the function names and allocating a separate
function table for each instance.

Fixes: 5a0047360743 ("pinctrl: tegra: Separate Tegra194 instances")
Signed-off-by: Thierry Reding <treding@nvidia.com>
Link: https://lore.kernel.org/r/20230530105308.1292852-1-thierry.reding@gmail.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
pinctrl: sunplus: Add check for kmalloc 2023-07-19T14:36:10+00:00 Wells Lu wellslutw@gmail.com 2023-05-28T12:34:37+00:00 8b782acacd7275c5f85ffcb54c42d76e83d40070 [ Upstream commit a5961bed5429cf1134d7f539b4ed60317012f84d ] Fix Smatch static checker warning: potential null dereference 'configs'. (kmalloc returns null) Fixes: aa74c44be19c ("pinctrl: Add driver for Sunplus SP7021") Signed-off-by: Wells Lu <wellslutw@gmail.com> Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> Link: https://lore.kernel.org/r/1685277277-12209-1-git-send-email-wellslutw@gmail.com Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Sasha Levin <sashal@kernel.org> 
[ Upstream commit a5961bed5429cf1134d7f539b4ed60317012f84d ]

Fix Smatch static checker warning:
potential null dereference 'configs'. (kmalloc returns null)

Fixes: aa74c44be19c ("pinctrl: Add driver for Sunplus SP7021")
Signed-off-by: Wells Lu <wellslutw@gmail.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/1685277277-12209-1-git-send-email-wellslutw@gmail.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
pinctrl: at91: fix a couple NULL vs IS_ERR() checks 2023-07-19T14:36:10+00:00 Dan Carpenter dan.carpenter@linaro.org 2023-05-22T07:44:54+00:00 496f79fe9d21d2eac4f33e392fbc58c83ceb8dd2 [ Upstream commit 35216718c9ac2aef934ea9cd229572d4996807b2 ] The devm_kasprintf_strarray() function doesn't return NULL on error, it returns error pointers. Update the checks accordingly. Fixes: f494c1913cbb ("pinctrl: at91: use devm_kasprintf() to avoid potential leaks (part 2)") Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org> Reviewed-by: Claudiu Beznea <claudiu.beznea@microchip.com> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Acked-by: Ryan Wanner <ryan.wanner@microchip.com> Link: https://lore.kernel.org/r/5697980e-f687-47a7-9db8-2af34ae464bd@kili.mountain Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Sasha Levin <sashal@kernel.org> 
[ Upstream commit 35216718c9ac2aef934ea9cd229572d4996807b2 ]

The devm_kasprintf_strarray() function doesn't return NULL on error,
it returns error pointers.  Update the checks accordingly.

Fixes: f494c1913cbb ("pinctrl: at91: use devm_kasprintf() to avoid potential leaks (part 2)")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Reviewed-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Ryan Wanner <ryan.wanner@microchip.com>
Link: https://lore.kernel.org/r/5697980e-f687-47a7-9db8-2af34ae464bd@kili.mountain
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
pinctrl: bcm2835: Handle gpiochip_add_pin_range() errors 2023-07-19T14:36:09+00:00 Christophe JAILLET christophe.jaillet@wanadoo.fr 2023-04-16T21:43:41+00:00 bdd1eaddd2ebc4d72c666ab9d290a8eed5325150 [ Upstream commit cdf7e616120065007687fe1df0412154f259daec ] gpiochip_add_pin_range() can fail, so better return its error code than a hard coded '0'. Fixes: d2b67744fd99 ("pinctrl: bcm2835: implement hook for missing gpio-ranges") Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> Link: https://lore.kernel.org/r/98c3b5890bb72415145c9fe4e1d974711edae376.1681681402.git.christophe.jaillet@wanadoo.fr Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Sasha Levin <sashal@kernel.org> 
[ Upstream commit cdf7e616120065007687fe1df0412154f259daec ]

gpiochip_add_pin_range() can fail, so better return its error code than
a hard coded '0'.

Fixes: d2b67744fd99 ("pinctrl: bcm2835: implement hook for missing gpio-ranges")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://lore.kernel.org/r/98c3b5890bb72415145c9fe4e1d974711edae376.1681681402.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>