softpipe: Check for NULL pointer in sp_destroy_tile_cache().

diff --git a/src/gallium/drivers/softpipe/sp_tile_cache.c b/src/gallium/drivers/softpipe/sp_tile_cache.c
index d7bc356e507e26f593137ba5f5dfd6fe88e7436b..bf33fd941737716e39feff5d2c3b41330245a343 100644 (file)
--- a/src/gallium/drivers/softpipe/sp_tile_cache.c
+++ b/src/gallium/drivers/softpipe/sp_tile_cache.c
@@ -115,16 +115,18 @@ sp_create_tile_cache( struct pipe_context *pipe )
 void
 sp_destroy_tile_cache(struct softpipe_tile_cache *tc)
 {
-   uint pos;
+   if (tc) {
+      uint pos;
 
-   for (pos = 0; pos < NUM_ENTRIES; pos++) {
-      /*assert(tc->entries[pos].x < 0);*/
-   }
-   if (tc->transfer) {
-      tc->pipe->transfer_destroy(tc->pipe, tc->transfer);
-   }
+      for (pos = 0; pos < NUM_ENTRIES; pos++) {
+         /*assert(tc->entries[pos].x < 0);*/
+      }
+      if (tc->transfer) {
+         tc->pipe->transfer_destroy(tc->pipe, tc->transfer);
+      }
 
-   FREE( tc );
+      FREE( tc );
+   }
 }