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

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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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Jiang Liu 2015-06-20 11:50:50 +02:00 • committed by Thomas Gleixner

parent f6b1464f64

commit bafac298fb

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arch/x86/kernel/hpet.c

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