Commit 10e27ed4 authored Oct 29, 2007 by Takashi Iwai Committed by Linus Torvalds Oct 30, 2007

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>

parent f664f1f9

drivers/pci/intel-iommu.c

+2 −2

Original line number	Diff line number	Diff line
		@@ -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];
		}