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author | Thomas Gleixner <tglx@linutronix.de> | 2015-06-21 20:16:18 +0200 |
---|---|---|
committer | Thomas Gleixner <tglx@linutronix.de> | 2015-06-25 11:57:15 +0200 |
commit | 623a650ebc886f6a6827d9ccc38856ab10391a9c (patch) | |
tree | 121de332fd5cd76a26076c998709353f844cf632 /fs/readdir.c | |
parent | 0cfc45cfdf5065cd02e1120169e1de7eb774ae3e (diff) | |
download | op-kernel-dev-623a650ebc886f6a6827d9ccc38856ab10391a9c.zip op-kernel-dev-623a650ebc886f6a6827d9ccc38856ab10391a9c.tar.gz |
pinctrl/samsung: 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: linux-arm-kernel@lists.infradead.org
Cc: linux-samsung-soc@vger.kernel.org
Cc: linux-gpio@vger.kernel.org
Diffstat (limited to 'fs/readdir.c')
0 files changed, 0 insertions, 0 deletions