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authorKai Wasserbäch <[email protected]>2015-08-14 14:49:43 +0200
committerDave Airlie <[email protected]>2015-08-21 09:23:52 +1000
commit6921f170b62d9f9c0e5bd2cb6666c15395addba8 (patch)
treeb71b3a717e10da64eaafb6a23fcc34f69dbe4647
parent3e6adbd761f72b612aba57fd86bb5203aae07133 (diff)
glsl: check if return_deref in lower_subroutine_visitor::visit_leave isn't NULL
Fixes a crash in Piglit's spec@arb_shader_subroutine@[email protected] for me. Signed-off-by: Kai Wasserbäch <[email protected]> Reviewed-by: Dave Airlie <[email protected]> Signed-off-by: Dave Airlie <[email protected]>
-rw-r--r--src/glsl/lower_subroutine.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/glsl/lower_subroutine.cpp b/src/glsl/lower_subroutine.cpp
index b29912ad150..c1aed61a36a 100644
--- a/src/glsl/lower_subroutine.cpp
+++ b/src/glsl/lower_subroutine.cpp
@@ -98,7 +98,7 @@ lower_subroutine_visitor::visit_leave(ir_call *ir)
else
last_branch = if_tree(equal(subr_to_int(var), lc), new_call, last_branch);
- if (s > 0)
+ if (return_deref && s > 0)
return_deref = return_deref->clone(mem_ctx, NULL);
}
if (last_branch)