r600: add missing return value check.

Pointed out by coverity scan.

Signed-off-by: Dave Airlie <airlied@redhat.com>

diff --git a/src/gallium/drivers/r600/r600_shader.c b/src/gallium/drivers/r600/r600_shader.c
index 3c65610..c849684 100644 (file)
--- a/src/gallium/drivers/r600/r600_shader.c
+++ b/src/gallium/drivers/r600/r600_shader.c
@@ -1745,6 +1745,8 @@ static int do_lds_fetch_values(struct r600_shader_ctx *ctx, unsigned temp_reg,
                                   temp_reg, i,
                                   temp_reg, 0,
                                   V_SQ_ALU_SRC_LITERAL, 4 * i);
+               if (r)
+                       return r;
        }
        for (i = 0; i < 4; i++) {
                /* emit an LDS_READ_RET */