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authorThomas Gleixner <tglx@linutronix.de>2015-06-21 20:16:18 +0200
committerThomas Gleixner <tglx@linutronix.de>2015-06-25 11:57:17 +0200
commitef80e87d20d115eaee15da666f1a3551328205bb (patch)
tree2a506999da03169635b5dc8bc2bdffbb2ea24d02 /drivers/sh
parent623a650ebc886f6a6827d9ccc38856ab10391a9c (diff)
pinctrl/sun4i: 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: Linus Walleij <linus.walleij@linaro.org> Cc: Maxime Ripard <maxime.ripard@free-electrons.com> Cc: Hans de Goede <hdegoede@redhat.com> Cc: Chen-Yu Tsai <wens@csie.org> Cc: Fan Wu <fwu@marvell.com> Cc: abdoulaye berthe <berthe.ab@gmail.com> Cc: Alexandre Courbot <acourbot@nvidia.com> Cc: linux-gpio@vger.kernel.org Cc: linux-arm-kernel@lists.infradead.org
Diffstat (limited to 'drivers/sh')
0 files changed, 0 insertions, 0 deletions