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authorThomas Gleixner <tglx@linutronix.de>2015-06-21 20:16:06 +0200
committerThomas Gleixner <tglx@linutronix.de>2015-06-25 11:56:52 +0200
commitc30e30478c74e5be2fa3bbe954084a31f0d60570 (patch)
tree451a72c83663bbdbb0eabc767b8922fb0967c3f9 /drivers/mfd/lpc_sch.c
parent3fb250ed39b2f883b566826132e04626da5910aa (diff)
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op-kernel-dev-c30e30478c74e5be2fa3bbe954084a31f0d60570.tar.gz
mfd/asic3: 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: Samuel Ortiz <sameo@linux.intel.com> Cc: Lee Jones <lee.jones@linaro.org>
Diffstat (limited to 'drivers/mfd/lpc_sch.c')
0 files changed, 0 insertions, 0 deletions
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