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| author | Takashi Iwai <tiwai@suse.de> | 2007-10-29 14:37:22 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-10-30 08:06:55 -0700 |
| commit | 10e27ed4bae199fefbc3e9f9473e32605797a003 (patch) | |
| tree | bf9fce162314fcf5bb206a688d0d2e5936bd9878 | |
| parent | f664f1f9b77d6c64f3cee1875dcb4faba0da6dd4 (diff) | |
| download | blackbird-op-linux-10e27ed4bae199fefbc3e9f9473e32605797a003.tar.gz blackbird-op-linux-10e27ed4bae199fefbc3e9f9473e32605797a003.zip | |
intel-iommu: Fix array overflow
Fix possible array overflow:
drivers/pci/intel-iommu.c: In function ¡dmar_get_fault_reason¢:
drivers/pci/intel-iommu.c:753: warning: array subscript is above array bounds
drivers/pci/intel-iommu.c: In function ¡iommu_page_fault¢:
drivers/pci/intel-iommu.c:753: warning: array subscript is above array bounds
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Cc: Mark Gross <mgross@linux.intel.com>
Acked-by: "Keshavamurthy, Anil S" <anil.s.keshavamurthy@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | drivers/pci/intel-iommu.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/pci/intel-iommu.c b/drivers/pci/intel-iommu.c index 8af1d9a261e5..e079a5237c94 100644 --- a/drivers/pci/intel-iommu.c +++ b/drivers/pci/intel-iommu.c @@ -749,8 +749,8 @@ static char *fault_reason_strings[] = char *dmar_get_fault_reason(u8 fault_reason) { - if (fault_reason > MAX_FAULT_REASON_IDX) - return fault_reason_strings[MAX_FAULT_REASON_IDX]; + if (fault_reason >= MAX_FAULT_REASON_IDX) + return fault_reason_strings[MAX_FAULT_REASON_IDX - 1]; else return fault_reason_strings[fault_reason]; } |
