Re: [patch 2/3] powerpc/fsl-booke: read buffer overflow

[Kumar Gala]

On Aug 6, 2009, at 6:00 PM, a...@linux-foundation.org wrote:


From: Roel Kluin 

cam[tlbcam_index] is checked before tlbcam_index < ARRAY_SIZE(cam)

Signed-off-by: Roel Kluin 
Signed-off-by: Andrew Morton 
---

arch/powerpc/mm/fsl_booke_mmu.c |2 +-
1 file changed, 1 insertion(+), 1 deletion(-)



applied to next

- k
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[patch 2/3] powerpc/fsl-booke: read buffer overflow

[akpm]

From: Roel Kluin 

cam[tlbcam_index] is checked before tlbcam_index < ARRAY_SIZE(cam)

Signed-off-by: Roel Kluin 
Signed-off-by: Andrew Morton 
---

 arch/powerpc/mm/fsl_booke_mmu.c |2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff -puN 
arch/powerpc/mm/fsl_booke_mmu.c~powerpc-fsl-booke-read-buffer-overflow 
arch/powerpc/mm/fsl_booke_mmu.c
--- a/arch/powerpc/mm/fsl_booke_mmu.c~powerpc-fsl-booke-read-buffer-overflow
+++ a/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];
_
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