r600g: Silence uninitialized variable warning.

diff --git a/src/gallium/drivers/r600/r600_shader.c b/src/gallium/drivers/r600/r600_shader.c
index 2aeaf9a..f12dbd3 100644 (file)
--- a/src/gallium/drivers/r600/r600_shader.c
+++ b/src/gallium/drivers/r600/r600_shader.c
@@ -2414,6 +2414,9 @@ static inline void callstack_check_depth(struct r600_shader_ctx *ctx, unsigned r
                case FC_PUSH_WQM:
                        diff = 4;
                        break;
+               default:
+                       assert(0);
+                       diff = 0;
                }
                if ((ctx->bc->callstack[ctx->bc->call_sp].current + diff) >
                    ctx->bc->callstack[ctx->bc->call_sp].max) {