Signed-off-by: Günther Kelleter <guenther.kelle...@devolo.de>
---
system-linux.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/system-linux.c b/system-linux.c
index 6e4a194..a038987 100644
--- a/system-linux.c
+++ b/system-linux.c
@@ -2489,6 +2489,8 @@ int system_update_ipv6_mtu(struct device *dev, int mtu)
dev->ifname);
int fd = open(buf, O_RDWR);
+ if (fd < 0)
+ return ret;
if (!mtu) {
ssize_t len = read(fd, buf, sizeof(buf) - 1);
--
2.10.0.100.gddd73ec
_______________________________________________
Lede-dev mailing list
Lede-dev@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/lede-dev
