powerpc/mpc85xx: Don't deref NULL if qman portal lacks cell-index
Signed-off-by: Scott Wood <scottwood@freescale.com>
Cc: Madalin-Cristian Bucur <madalin.bucur@freescale.com>
Reviewed-by: York Sun <yorksun@freescale.com>
diff --git a/arch/powerpc/cpu/mpc85xx/portals.c b/arch/powerpc/cpu/mpc85xx/portals.c
index ec3b292..3777c6f 100644
--- a/arch/powerpc/cpu/mpc85xx/portals.c
+++ b/arch/powerpc/cpu/mpc85xx/portals.c
@@ -249,8 +249,13 @@
#ifdef CONFIG_FSL_CORENET
u32 liodns[2];
#endif
- const int *ci = fdt_getprop(blob, off, "cell-index", NULL);
- int i = *ci;
+ const int *ci = fdt_getprop(blob, off, "cell-index", &err);
+ int i;
+
+ if (!ci)
+ goto err;
+
+ i = *ci;
#ifdef CONFIG_SYS_DPAA_FMAN
int j;
#endif