coverity: #1425766

Unchecked return value Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

coverity: #1425766
124b0dc7 · Christian Brauner · 65d63c50 · 124b0dc7
Unverified Commit 124b0dc7 authored Jun 14, 2018 by Christian Brauner
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Showing with 4 additions and 1 deletion

criu.c src/lxc/criu.c +4 -1

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--- a/src/lxc/criu.c
+++ b/src/lxc/criu.c
@@ -801,6 +801,7 @@ static bool criu_ok(struct lxc_container *c, char **criu_version)

 static bool restore_net_info(struct lxc_container *c)
 {
+	int ret;
 	struct lxc_list *it;
 	bool has_error = true;

@@ -814,7 +815,9 @@ static bool restore_net_info(struct lxc_container *c)
 		if (netdev->type != LXC_NET_VETH)
 			continue;

-		snprintf(template, sizeof(template), "vethXXXXXX");
+		ret = snprintf(template, sizeof(template), "vethXXXXXX");
+		if (ret < 0 || ret >= sizeof(template))
+			goto out_unlock;

 		if (netdev->priv.veth_attr.pair[0] == '\0' &&
 		    netdev->priv.veth_attr.veth1[0] == '\0') {