iommu: smar: Fix return value check of create_irq()

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ia64 returns a negative error code when allocation fails andx86
returns 0. Make it handle both.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Grant Likely <grant.likely@linaro.org>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: x86@kernel.org
Acked-by: Joerg Roedel <joro@8bytes.org>
Cc: linux-ia64@vger.kernel.org
Cc: iommu@lists.linux-foundation.org
Link: http://lkml.kernel.org/r/20140507154336.178850165@linutronix.de
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

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This commit is contained in:

Thomas Gleixner 2014-05-07 15:44:10 +00:00

parent d07c9f1875

commit aa5125a455

1 changed files with 1 additions and 1 deletions

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drivers/iommu/dmar.c

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