msm: kgsl: Check whether the ops pointer is valid.
Check that the ops pointer is valid before using it, otherwise we
may fault.
Change-Id: I7f1420638eca53f6d85b8c3ff114033ce77cb408
CRs-fixed: 360810
Signed-off-by: Shubhraprakash Das <sadas@codeaurora.org>
diff --git a/drivers/gpu/msm/kgsl.h b/drivers/gpu/msm/kgsl.h
index f367166..7ffa83b 100644
--- a/drivers/gpu/msm/kgsl.h
+++ b/drivers/gpu/msm/kgsl.h
@@ -220,7 +220,8 @@
static inline void *kgsl_memdesc_map(struct kgsl_memdesc *memdesc)
{
- if (memdesc->hostptr == NULL && memdesc->ops->map_kernel_mem)
+ if (memdesc->hostptr == NULL && memdesc->ops &&
+ memdesc->ops->map_kernel_mem)
memdesc->ops->map_kernel_mem(memdesc);
return memdesc->hostptr;