From 19f1d137f8d5edbbdef4e78186b21a7a5bd08d18 Mon Sep 17 00:00:00 2001 From: Juha-Pekka Heikkila Date: Thu, 3 Apr 2014 16:51:14 +0300 Subject: [PATCH] glsl: Add null check in loop_analysis.cpp Check return value from hash_table_find before using it as a pointer Signed-off-by: Juha-Pekka Heikkila Reviewed-by: Ian Romanick --- src/glsl/loop_analysis.cpp | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/src/glsl/loop_analysis.cpp b/src/glsl/loop_analysis.cpp index d6a9ac7..78ac3004 100644 --- a/src/glsl/loop_analysis.cpp +++ b/src/glsl/loop_analysis.cpp @@ -589,8 +589,10 @@ 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()) - inc = NULL; + if (lv == NULL || !lv->is_loop_constant()) { + assert(lv != NULL); + inc = NULL; + } } else inc = NULL; } -- 2.7.4