gk20a_ram_put() can be called with a NULL nouveau_mem in case of error.
Handle that case the way is it done in other RAM drivers.
Signed-off-by: Alexandre Courbot <acourbot at nvidia.com>
---
drivers/gpu/drm/nouveau/core/subdev/fb/ramgk20a.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/gpu/drm/nouveau/core/subdev/fb/ramgk20a.c
b/drivers/gpu/drm/nouveau/core/subdev/fb/ramgk20a.c
index 403c88f07b99..7effd1a63458 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/fb/ramgk20a.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/fb/ramgk20a.c
@@ -36,6 +36,8 @@ gk20a_ram_put(struct nouveau_fb *pfb, struct nouveau_mem
**pmem)
int i;
*pmem = NULL;
+ if (unlikely(mem == NULL))
+ return;
for (i = 0; i < mem->size; i++) {
struct page *page;
--
1.9.2
