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>
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@ -161,7 +161,7 @@ unsigned long __init mmu_mapin_ram(void)
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unsigned long virt = PAGE_OFFSET;
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phys_addr_t phys = memstart_addr;
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while (cam[tlbcam_index] && tlbcam_index < ARRAY_SIZE(cam)) {
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while (tlbcam_index < ARRAY_SIZE(cam) && cam[tlbcam_index]) {
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settlbcam(tlbcam_index, virt, phys, cam[tlbcam_index], PAGE_KERNEL_X, 0);
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virt += cam[tlbcam_index];
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phys += cam[tlbcam_index];
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