From 15aa7aaa9327f528d1edc47d76fcc92e32bf001e Mon Sep 17 00:00:00 2001 From: Brian Date: Sun, 11 Mar 2007 17:29:54 -0600 Subject: [PATCH] add NULL ptr check --- src/mesa/shader/slang/slang_codegen.c | 15 +++++++++------ 1 file changed, 9 insertions(+), 6 deletions(-) diff --git a/src/mesa/shader/slang/slang_codegen.c b/src/mesa/shader/slang/slang_codegen.c index 88a4b2d..7b2ca3a 100644 --- a/src/mesa/shader/slang/slang_codegen.c +++ b/src/mesa/shader/slang/slang_codegen.c @@ -1985,12 +1985,15 @@ _slang_gen_assignment(slang_assemble_ctx * A, slang_operation *oper) else { slang_ir_node *n, *lhs, *rhs; lhs = _slang_gen_operation(A, &oper->children[0]); - if (lhs->Store->File != PROGRAM_OUTPUT && - lhs->Store->File != PROGRAM_TEMPORARY && - lhs->Store->File != PROGRAM_VARYING && - lhs->Store->File != PROGRAM_UNDEFINED) { - slang_info_log_error(A->log, "Assignment to read-only variable"); - return NULL; + + if (lhs) { + if (lhs->Store->File != PROGRAM_OUTPUT && + lhs->Store->File != PROGRAM_TEMPORARY && + lhs->Store->File != PROGRAM_VARYING && + lhs->Store->File != PROGRAM_UNDEFINED) { + slang_info_log_error(A->log, "Assignment to read-only variable"); + return NULL; + } } rhs = _slang_gen_operation(A, &oper->children[1]); -- 2.7.4