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ast_return_delete: check if self->operand is actually set before ast_unref-ing it

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Wolfgang (Blub) Bumiller 2012-08-18 18:01:52 +02:00
parent 586bb07c4d
commit b7b0fcdc94
1 changed files with 2 additions and 1 deletions
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3
ast.c
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@ -344,7 +344,8 @@ ast_return* ast_return_new(lex_ctx ctx, ast_expression *expr)
void ast_return_delete(ast_return *self)
{
ast_unref(self->operand);
if (self->operand)
ast_unref(self->operand);
ast_expression_delete((ast_expression*)self);
mem_d(self);
}