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author | Thomas Gleixner <tglx@linutronix.de> | 2015-06-21 20:16:15 +0200 |
---|---|---|
committer | Thomas Gleixner <tglx@linutronix.de> | 2015-06-25 11:57:07 +0200 |
commit | bb6d6dd38603fba16a89f5a2e48d5c180a1e5439 (patch) | |
tree | 9aa63c78af9664ef7ecd68ec0d9ced323365f34e /crypto | |
parent | pinctrl/mediatek: Fix race in installing chained IRQ handler (diff) | |
download | linux-bb6d6dd38603fba16a89f5a2e48d5c180a1e5439.tar.xz linux-bb6d6dd38603fba16a89f5a2e48d5c180a1e5439.zip |
pinctrl/adi2: 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: linux-gpio@vger.kernel.org
Diffstat (limited to 'crypto')
0 files changed, 0 insertions, 0 deletions