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kernel_samsung_a53x/drivers/pinctrl
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Dmitry Torokhov 058761de0b pinctrl: avoid unsafe code pattern in find_pinctrl() 
commit c153a4edff6ab01370fcac8e46f9c89cca1060c2 upstream.

The code in find_pinctrl() takes a mutex and traverses a list of pinctrl
structures. Later the caller bumps up reference count on the found
structure. Such pattern is not safe as pinctrl that was found may get
deleted before the caller gets around to increasing the reference count.

Fix this by taking the reference count in find_pinctrl(), while it still
holds the mutex.

Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Link: https://lore.kernel.org/r/ZQs1RgTKg6VJqmPs@google.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2024-11-08 11:25:51 +01:00
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renesas pinctrl: renesas: rzn1: Enable missing PINMUX 2024-11-08 11:25:46 +01:00
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core.c pinctrl: avoid unsafe code pattern in find_pinctrl() 2024-11-08 11:25:51 +01:00
core.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
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pinctrl-equilibrium.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
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pinctrl-falcon.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
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