[Mesa-dev] [PATCH] st/mesa: check ureg_create() retval in create_pbo_upload_vs()

[Samuel Pitoiset]

This avoids a possible NULL dereference because ureg_create() might
return a NULL pointer.

Spotted by coverity.

Signed-off-by: Samuel Pitoiset <samuel.pitoiset at gmail.com>
Cc: Nicolai Hähnle <nicolai.haehnle at amd.com>
---
 src/mesa/state_tracker/st_cb_texture.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/mesa/state_tracker/st_cb_texture.c b/src/mesa/state_tracker/st_cb_texture.c
index e9ac9a6..bdd2f63 100644
--- a/src/mesa/state_tracker/st_cb_texture.c
+++ b/src/mesa/state_tracker/st_cb_texture.c
@@ -1132,6 +1132,8 @@ create_pbo_upload_vs(struct st_context *st)
    struct ureg_dst out_layer;
 
    ureg = ureg_create(TGSI_PROCESSOR_VERTEX);
+   if (!ureg)
+      return NULL;
 
    in_pos = ureg_DECL_vs_input(ureg, TGSI_SEMANTIC_POSITION);
 
-- 
2.7.1