Few lines before there is a if (zstex && zstex->htile_buffer ...)
which tells that there are some situation where it can be NULL.

So let's check for its nullity in other places too. Spotted by
coverity:

CID 1237295

Signed-off-by: Julien Isorce <[email protected]>
---
 src/gallium/drivers/radeonsi/si_blit.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/gallium/drivers/radeonsi/si_blit.c 
b/src/gallium/drivers/radeonsi/si_blit.c
index da6c0cd..db4f533 100644
--- a/src/gallium/drivers/radeonsi/si_blit.c
+++ b/src/gallium/drivers/radeonsi/si_blit.c
@@ -749,14 +749,16 @@ static void si_clear(struct pipe_context *ctx, unsigned 
buffers,
        if (sctx->db_depth_clear) {
                sctx->db_depth_clear = false;
                sctx->db_depth_disable_expclear = false;
-               zstex->depth_cleared = true;
+               if (zstex)
+                       zstex->depth_cleared = true;
                si_mark_atom_dirty(sctx, &sctx->db_render_state);
        }
 
        if (sctx->db_stencil_clear) {
                sctx->db_stencil_clear = false;
                sctx->db_stencil_disable_expclear = false;
-               zstex->stencil_cleared = true;
+               if (zstex)
+                       zstex->stencil_cleared = true;
                si_mark_atom_dirty(sctx, &sctx->db_render_state);
        }
 }
-- 
2.7.4

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