From: Alessandro Zummo <a.zummo@towertech.it>
Date: Thu, 3 Apr 2014 21:50:09 +0000 (-0700)
Subject: rtc: verify a critical argument to rtc_update_irq() before using it
X-Git-Tag: v3.15-rc1~106^2~34
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=131c9cc832162bfe45be1065fa88d1ec2c165a3d;p=pandora-kernel.git

rtc: verify a critical argument to rtc_update_irq() before using it

This small addition to the core simplifies code in the drivers and makes
them more robust when handling shared IRQs.

Signed-off-by: Alessandro Zummo <a.zummo@towertech.it>
Cc: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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