[Mesa-dev] [PATCH] glsl: Fix null check in read_dereference.

[Vinson Lee]

Fixes "Logically dead code" defect reported by Coverity.

Signed-off-by: Vinson Lee <vlee at freedesktop.org>
---
 src/glsl/ir_reader.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/glsl/ir_reader.cpp b/src/glsl/ir_reader.cpp
index b366712..51534ca 100644
--- a/src/glsl/ir_reader.cpp
+++ b/src/glsl/ir_reader.cpp
@@ -886,7 +886,7 @@ ir_reader::read_dereference(s_expression *expr)
       }
 
       ir_rvalue *idx = read_rvalue(s_index);
-      if (subject == NULL) {
+      if (idx == NULL) {
 	 ir_read_error(NULL, "when reading the index of an array_ref");
 	 return NULL;
       }
-- 
1.8.2.1