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| author | Roel Kluin <roel.kluin@gmail.com> | 2009-08-06 16:00:37 -0700 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2009-08-20 10:27:12 +1000 |
| commit | 8dcd038a13b8e322c49fe0d3e31a0deaba4fd5fd (patch) | |
| tree | 657cb5c3ef0da7de481ebd2c3297f68653e5d410 /arch/powerpc/mm | |
| parent | b6c316a1f6447d6dd0fd8d443b66643e328e04fa (diff) | |
| download | op-kernel-dev-8dcd038a13b8e322c49fe0d3e31a0deaba4fd5fd.zip op-kernel-dev-8dcd038a13b8e322c49fe0d3e31a0deaba4fd5fd.tar.gz | |
powerpc/fsl-booke: read buffer overflow
cam[tlbcam_index] is checked before tlbcam_index < ARRAY_SIZE(cam)
Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/mm')
| -rw-r--r-- | arch/powerpc/mm/fsl_booke_mmu.c | 2 |
1 files changed, 1 insertions, 1 deletions
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]; |
