diff options
| author | Thomas Gleixner <[email protected]> | 2014-05-07 15:44:10 +0000 |
|---|---|---|
| committer | Thomas Gleixner <[email protected]> | 2014-05-16 14:05:19 +0200 |
| commit | aa5125a45568f8f666f6d2f224fe8ab261b1069e (patch) | |
| tree | 4c3ffd6028e3611b8cb6bf7162861aab8dfb9394 | |
| parent | d07c9f18756e8231909a9bbcbfa7502c60cbc810 (diff) | |
iommu: smar: Fix return value check of create_irq()
ia64 returns a negative error code when allocation fails andx86
returns 0. Make it handle both.
Signed-off-by: Thomas Gleixner <[email protected]>
Reviewed-by: Grant Likely <[email protected]>
Cc: Tony Luck <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Fenghua Yu <[email protected]>
Cc: [email protected]
Acked-by: Joerg Roedel <[email protected]>
Cc: [email protected]
Cc: [email protected]
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Thomas Gleixner <[email protected]>
| -rw-r--r-- | drivers/iommu/dmar.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/iommu/dmar.c b/drivers/iommu/dmar.c index 39f8b717fe84..3ce1f62a091f 100644 --- a/drivers/iommu/dmar.c +++ b/drivers/iommu/dmar.c @@ -1551,7 +1551,7 @@ int dmar_set_interrupt(struct intel_iommu *iommu) return 0; irq = create_irq(); - if (!irq) { + if (irq <= 0) { pr_err("IOMMU: no free vectors\n"); return -EINVAL; } |