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-rw-r--r--tests/gem_tiled_wc.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/tests/gem_tiled_wc.c b/tests/gem_tiled_wc.c
index 0f742236..3eee7967 100644
--- a/tests/gem_tiled_wc.c
+++ b/tests/gem_tiled_wc.c
@@ -66,6 +66,7 @@ create_bo(int fd)
/* Fill the BO with dwords starting at start_val */
data = gem_mmap__gtt(fd, handle, SIZE, PROT_READ | PROT_WRITE);
+ igt_assert(data);
for (i = 0; i < WIDTH*HEIGHT; i++)
data[i] = i;
munmap(data, SIZE);