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Thierry Reding 9f7d7a1d0f drivers/rtc/rtc-tps65910.c: fix potential NULL-pointer dereference ...

The interrupt handler gets the driver data associated with the RTC
device and doesn't check it for validity.  This can cause a NULL pointer
being dereferenced when and interrupt fires before the driver data was
properly set up.

Fix this by setting the driver data earlier (before the interrupt is
requested).

Signed-off-by: Thierry Reding <treding@nvidia.com>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

2014-08-08 15:57:20 -07:00

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