[LTP] [PATCH 1/3] tst_netdevice: Add missing rtnetlink context allocation checks

[Martin Doucha]

Signed-off-by: Martin Doucha <mdoucha@suse.cz>
---
 lib/tst_netdevice.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/lib/tst_netdevice.c b/lib/tst_netdevice.c
index 4a0442932..a57f506e9 100644
--- a/lib/tst_netdevice.c
+++ b/lib/tst_netdevice.c
@@ -332,6 +332,9 @@ static int change_ns(const char *file, const int lineno, const char *ifname,
 
 	ctx = create_request(file, lineno, RTM_NEWLINK, 0, &info, sizeof(info));
 
+	if (!ctx)
+		return 0;
+
 	if (!tst_rtnl_add_attr_string(file, lineno, ctx, IFLA_IFNAME, ifname)) {
 		tst_rtnl_destroy_context(file, lineno, ctx);
 		return 0;
@@ -411,6 +414,9 @@ static int modify_route(const char *file, const int lineno, unsigned int action,
 
 	ctx = create_request(file, lineno, action, flags, &info, sizeof(info));
 
+	if (!ctx)
+		return 0;
+
 	if (srcaddr && !tst_rtnl_add_attr(file, lineno, ctx, RTA_SRC, srcaddr,
 		srclen)) {
 		tst_rtnl_destroy_context(file, lineno, ctx);
-- 
2.41.0