Check return value from hash_table_find before using it as a pointer
Signed-off-by: Juha-Pekka Heikkila <[email protected]>
---
src/glsl/loop_analysis.cpp | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/src/glsl/loop_analysis.cpp b/src/glsl/loop_analysis.cpp
index d6a9ac7..5e4eaa1 100644
--- a/src/glsl/loop_analysis.cpp
+++ b/src/glsl/loop_analysis.cpp
@@ -589,7 +589,7 @@ get_basic_induction_increment(ir_assignment *ir, hash_table
*var_hash)
loop_variable *lv =
(loop_variable *) hash_table_find(var_hash, inc_var);
- if (!lv->is_loop_constant())
+ if (lv == NULL || !lv->is_loop_constant())
inc = NULL;
} else
inc = NULL;
--
1.8.1.2
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