---
src/intel/blorp/blorp_genX_exec.h | 18 ++++++++++--------
1 file changed, 10 insertions(+), 8 deletions(-)
diff --git a/src/intel/blorp/blorp_genX_exec.h
b/src/intel/blorp/blorp_genX_exec.h
index f0c4f38..8f322b0 100644
--- a/src/intel/blorp/blorp_genX_exec.h
+++ b/src/intel/blorp/blorp_genX_exec.h
@@ -110,14 +110,16 @@ _blorp_combine_address(struct blorp_batch *batch, void
*location,
_blorp_cmd_pack(cmd)(batch, (void *)_dst, &name), \
_dst = NULL)
-#define blorp_emitn(batch, cmd, n) ({ \
- uint32_t *_dw = blorp_emit_dwords(batch, n); \
- struct cmd template = { \
- _blorp_cmd_header(cmd), \
- .DWordLength = n - _blorp_cmd_length_bias(cmd), \
- }; \
- _blorp_cmd_pack(cmd)(batch, _dw, &template); \
- _dw + 1; /* Array starts at dw[1] */ \
+#define blorp_emitn(batch, cmd, n) ({ \
+ uint32_t *_dw = blorp_emit_dwords(batch, n); \
+ if (_dw) { \
+ struct cmd template = { \
+ _blorp_cmd_header(cmd), \
+ .DWordLength = n - _blorp_cmd_length_bias(cmd), \
+ }; \
+ _blorp_cmd_pack(cmd)(batch, _dw, &template); \
+ } \
+ _dw ? _dw + 1 : NULL; /* Array starts at dw[1] */ \
})
/* 3DSTATE_URB
--
2.7.4
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