MIPS: Jazz: Fix read buffer overflow
Check whether index is within bounds before testing the element.
Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/arch/mips/jazz/jazzdma.c b/arch/mips/jazz/jazzdma.c
index f0fd636..0d64d0f 100644
--- a/arch/mips/jazz/jazzdma.c
+++ b/arch/mips/jazz/jazzdma.c
@@ -190,7 +190,7 @@
return -1;
}
- while (pgtbl[i].owner == laddr && i < VDMA_PGTBL_ENTRIES) {
+ while (i < VDMA_PGTBL_ENTRIES && pgtbl[i].owner == laddr) {
pgtbl[i].owner = VDMA_PAGE_EMPTY;
i++;
}