From: Thomas Gleixner <tglx@linutronix.de>
Date: Fri, 28 Aug 2015 08:30:15 +0000 (+0200)
Subject: x86/irq: Do not dereference irq descriptor before checking it
X-Git-Tag: omap-for-v4.3/fixes-rc1~129^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a47d4576cd1c58157a2d8cfffa93aa7ca375eede;p=pandora-kernel.git

x86/irq: Do not dereference irq descriptor before checking it

Having the IS_NULL_OR_ERR() check after dereferencing the pointer is
not really working well.

Move the dereference after the check.

Fixes: a782a7e46bb5 'x86/irq: Store irq descriptor in vector array'
Reported-and-tested-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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