3.2-stable review patch. If anyone has any objections, please let me know.
------------------ From: Dan Carpenter <dan.carpen...@oracle.com> commit fefe1ed1398b81e3fadc92d11d91162d343c8836 upstream. fault_reason - 0x20 == ARRAY_SIZE(irq_remap_fault_reasons) is one past the end of the array. Signed-off-by: Dan Carpenter <dan.carpen...@oracle.com> Cc: Joerg Roedel <joerg.roe...@amd.com> Cc: Youquan Song <youquan.s...@intel.com> Cc: walter harms <wha...@bfs.de> Cc: Suresh Siddha <suresh.b.sid...@intel.com> Link: http://lkml.kernel.org/r/20120513170938.GA4280@elgon.mountain Signed-off-by: Ingo Molnar <mi...@kernel.org> [bwh: Backported to 3.2: s/irq_remap_fault_reasons/intr_remap_fault_reasons/] Signed-off-by: Ben Hutchings <b...@decadent.org.uk> --- drivers/iommu/dmar.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) --- linux.orig/drivers/iommu/dmar.c +++ linux/drivers/iommu/dmar.c @@ -1056,8 +1056,8 @@ const char *dmar_get_fault_reason(u8 fault_reason, int *fault_type) { - if (fault_reason >= 0x20 && (fault_reason <= 0x20 + - ARRAY_SIZE(intr_remap_fault_reasons))) { + if (fault_reason >= 0x20 && (fault_reason - 0x20 < + ARRAY_SIZE(intr_remap_fault_reasons))) { *fault_type = INTR_REMAP; return intr_remap_fault_reasons[fault_reason - 0x20]; } else if (fault_reason < ARRAY_SIZE(dma_remap_fault_reasons)) { -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
