From 8dcd038a13b8e322c49fe0d3e31a0deaba4fd5fd Mon Sep 17 00:00:00 2001 From: Roel Kluin Date: Thu, 6 Aug 2009 16:00:37 -0700 Subject: [PATCH] powerpc/fsl-booke: read buffer overflow cam[tlbcam_index] is checked before tlbcam_index < ARRAY_SIZE(cam) Signed-off-by: Roel Kluin Signed-off-by: Andrew Morton Signed-off-by: Kumar Gala Signed-off-by: Benjamin Herrenschmidt --- arch/powerpc/mm/fsl_booke_mmu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/powerpc/mm/fsl_booke_mmu.c b/arch/powerpc/mm/fsl_booke_mmu.c index bb3d659..dc93e95 100644 --- a/arch/powerpc/mm/fsl_booke_mmu.c +++ b/arch/powerpc/mm/fsl_booke_mmu.c @@ -161,7 +161,7 @@ unsigned long __init mmu_mapin_ram(void) unsigned long virt = PAGE_OFFSET; phys_addr_t phys = memstart_addr; - while (cam[tlbcam_index] && tlbcam_index < ARRAY_SIZE(cam)) { + while (tlbcam_index < ARRAY_SIZE(cam) && cam[tlbcam_index]) { settlbcam(tlbcam_index, virt, phys, cam[tlbcam_index], PAGE_KERNEL_X, 0); virt += cam[tlbcam_index]; phys += cam[tlbcam_index]; -- 2.7.4