powerpc: mpc85xx/mpc86xx: Fix off-by-one boundary checking with ARRAY_SIZE
If a variable is used as array subscript, it's valid value range is
0 ... ARRAY_SIZE -1.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Andy Fleming <afleming@freescale.com>
diff --git a/arch/powerpc/cpu/mpc85xx/p5020_serdes.c b/arch/powerpc/cpu/mpc85xx/p5020_serdes.c
index fba9ff2..a36dcd5 100644
--- a/arch/powerpc/cpu/mpc85xx/p5020_serdes.c
+++ b/arch/powerpc/cpu/mpc85xx/p5020_serdes.c
@@ -139,7 +139,7 @@
int is_serdes_prtcl_valid(u32 prtcl) {
int i;
- if (prtcl > ARRAY_SIZE(serdes_cfg_tbl))
+ if (prtcl >= ARRAY_SIZE(serdes_cfg_tbl))
return 0;
for (i = 0; i < SRDS_MAX_LANES; i++) {