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authorThomas Gleixner <[email protected]>2015-06-21 20:16:04 +0200
committerThomas Gleixner <[email protected]>2015-06-25 11:56:45 +0200
commitb34cc62084e8c44f7c85e95bfc19e21d07f25173 (patch)
tree31be19efef3de39662ba41658e142df582d397fb /lib/memory-notifier-error-inject.c
parent407a2c720556e8e340e06f6a7174f5d6d80cf9ea (diff)
gpio/bcm-kona: 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 <[email protected]> Signed-off-by: Thomas Gleixner <[email protected]> Cc: Julia Lawall <[email protected]> Cc: Ray Jui <[email protected]> Cc: Linus Walleij <[email protected]> Cc: Alexandre Courbot <[email protected]> Cc: [email protected] Cc: [email protected]
Diffstat (limited to 'lib/memory-notifier-error-inject.c')
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