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iommu/amd: Fix error return code in irq_remapping_alloc()

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Fix to return a negative error code from the alloc_irq_index() error
handling case instead of 0, as done elsewhere in this function.

Signed-off-by: Wei Yongjun <weiyj.lk@gmail.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
This commit is contained in:
Wei Yongjun 2016-07-28 02:10:26 +00:00 • committed by Joerg Roedel
commit 517abe495d
1 changed files with 1 additions and 0 deletions
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drivers/iommu/amd_iommu.c
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@ -3886,6 +3886,7 @@ static int irq_remapping_alloc(struct irq_domain *domain, unsigned int virq,
}
if (index < 0) {
pr_warn("Failed to allocate IRTE\n");
ret = index;
goto out_free_parent;
}