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authorThomas Gleixner <tglx@linutronix.de>2015-06-21 20:16:16 +0200
committerThomas Gleixner <tglx@linutronix.de>2015-06-25 11:57:11 +0200
commitbb56fc3577ea38ee6f7d4aaf25473ebd0f1337a0 (patch)
treebed16371656de68dee11ecfe38272d727580d327 /drivers/pinctrl/samsung/pinctrl-s3c24xx.c
parent1b11b0cb799e5f82ca6391a23eaa8f41c7466cc0 (diff)
pinctrl/exynos: Fix race in installing chained IRQ handler
Fix a race where a pending interrupt could be received and the handler called before the handler's data has been setup, by converting to irq_set_chained_handler_and_data(). Search and conversion was done with coccinelle: @@ expression E1, E2, E3; @@ ( -if (irq_set_chained_handler(E1, E3) != 0) - BUG(); | -irq_set_chained_handler(E1, E3); ) -irq_set_handler_data(E1, E2); +irq_set_chained_handler_and_data(E1, E3, E2); @@ expression E1, E2, E3; @@ ( -if (irq_set_chained_handler(E1, E3) != 0) - BUG(); ... | -irq_set_chained_handler(E1, E3); ... ) -irq_set_handler_data(E1, E2); +irq_set_chained_handler_and_data(E1, E3, E2); Reported-by: Russell King <rmk+kernel@arm.linux.org.uk> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Julia Lawall <Julia.Lawall@lip6.fr> Cc: Tomasz Figa <tomasz.figa@gmail.com> Cc: Thomas Abraham <thomas.abraham@linaro.org> Cc: Linus Walleij <linus.walleij@linaro.org> Cc: Kukjin Kim <kgene@kernel.org> Cc: Krzysztof Kozlowski <k.kozlowski@samsung.com> Cc: linux-arm-kernel@lists.infradead.org Cc: linux-samsung-soc@vger.kernel.org Cc: linux-gpio@vger.kernel.org
Diffstat (limited to 'drivers/pinctrl/samsung/pinctrl-s3c24xx.c')
0 files changed, 0 insertions, 0 deletions