From d82c602ed5c07e996269443686ae671537955cc5 Mon Sep 17 00:00:00 2001 From: =?utf8?q?J=C3=A9r=C3=A9mie=20Galarneau?= Date: Sat, 27 May 2017 15:40:58 -0400 Subject: [PATCH] Fix: return error on empty list in get_unary_unsigned MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Signed-off-by: Jérémie Galarneau --- plugins/ctf/common/metadata/visitor-generate-ir.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/plugins/ctf/common/metadata/visitor-generate-ir.c b/plugins/ctf/common/metadata/visitor-generate-ir.c index badbf995..fb0f1df1 100644 --- a/plugins/ctf/common/metadata/visitor-generate-ir.c +++ b/plugins/ctf/common/metadata/visitor-generate-ir.c @@ -855,6 +855,11 @@ int get_unary_unsigned(struct bt_list_head *head, uint64_t *value) int ret = 0; struct ctf_node *node; + if (bt_list_empty(head)) { + ret = -1; + goto end; + } + bt_list_for_each_entry(node, head, siblings) { int uexpr_type = node->u.unary_expression.type; int uexpr_link = node->u.unary_expression.link; -- 2.34.1