r300g: Silence uninitialized variable warning.

diff --git a/src/gallium/drivers/r300/r300_state.c b/src/gallium/drivers/r300/r300_state.c
index f5ece39553248906acc56ef9b8a7cab222031095..0cb102359df4a1ad2191826b809e892255493cab 100644 (file)
--- a/src/gallium/drivers/r300/r300_state.c
+++ b/src/gallium/drivers/r300/r300_state.c
@@ -1432,6 +1432,7 @@ static void r300_set_constant_buffer(struct pipe_context *pipe,
             break;
         default:
             assert(0);
+            cbuf = NULL;
     }
 
     if (buf == NULL || buf->width0 == 0 ||