From: Nicolai Hähnle <[email protected]>

---
 src/gallium/drivers/radeon/r600_texture.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/gallium/drivers/radeon/r600_texture.c 
b/src/gallium/drivers/radeon/r600_texture.c
index 5f6e9139d0f..cdb700465ca 100644
--- a/src/gallium/drivers/radeon/r600_texture.c
+++ b/src/gallium/drivers/radeon/r600_texture.c
@@ -850,20 +850,22 @@ static void r600_texture_allocate_cmask(struct 
r600_common_screen *rscreen,
 
 static void r600_texture_alloc_cmask_separate(struct r600_common_screen 
*rscreen,
                                              struct r600_texture *rtex)
 {
        if (rtex->cmask_buffer)
                 return;
 
        assert(rtex->cmask.size == 0);
 
        si_texture_get_cmask_info(rscreen, rtex, &rtex->cmask);
+       if (!rtex->cmask.size)
+               return;
 
        rtex->cmask_buffer = (struct r600_resource *)
                si_aligned_buffer_create(&rscreen->b,
                                           R600_RESOURCE_FLAG_UNMAPPABLE,
                                           PIPE_USAGE_DEFAULT,
                                           rtex->cmask.size,
                                           rtex->cmask.alignment);
        if (rtex->cmask_buffer == NULL) {
                rtex->cmask.size = 0;
                return;
-- 
2.11.0

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