From: Jiang Liu <jiang.liu@linux.intel.com>
Date: Sat, 20 Jun 2015 09:50:50 +0000 (+0200)
Subject: x86/hpet: Check for irq==0 when allocating hpet MSI interrupts
X-Git-Tag: omap-for-v4.2/fixes-rc1^2~170^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=bafac298fb20e9ae1305c710d4fd8d20c5911afa;p=pandora-kernel.git

x86/hpet: Check for irq==0 when allocating hpet MSI interrupts

irq == 0 is not a valid irq for a irqdomain MSI allocation, but hpet
code checks only for negative return values.

Reported-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Cc: Borislav Petkov <bp@alien8.de>
Link: http://lkml.kernel.org/r/558447AF.30703@linux.intel.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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