[ARM] msm: smd: don't crash if the smd channel table doesn't exist
Signed-off-by: Brian Swetland <swetland@google.com>
Signed-off-by: Daniel Walker <dwalker@codeaurora.org>
diff --git a/arch/arm/mach-msm/smd.c b/arch/arm/mach-msm/smd.c
index 64d1232..78031c0 100644
--- a/arch/arm/mach-msm/smd.c
+++ b/arch/arm/mach-msm/smd.c
@@ -204,7 +204,10 @@
unsigned n;
shared = smem_find(ID_CH_ALLOC_TBL, sizeof(*shared) * 64);
-
+ if (!shared) {
+ pr_err("smd: cannot find allocation table\n");
+ return;
+ }
for (n = 0; n < 64; n++) {
if (smd_ch_allocated[n])
continue;