The if_nametoindex can return an error. The code must then free the previously allocated nl_sock and stop the function with an error code.
Fixes: d8dd1ff1a0fe ("batctl: Use netlink to replace some of debugfs") Signed-off-by: Sven Eckelmann sven.eckelmann@openmesh.com --- netlink.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/netlink.c b/netlink.c index de81d08..7b97809 100644 --- a/netlink.c +++ b/netlink.c @@ -1137,7 +1137,8 @@ static int netlink_print_common(char *mesh_iface, char *orig_iface, ifindex = if_nametoindex(mesh_iface); if (!ifindex) { fprintf(stderr, "Interface %s is unknown\n", mesh_iface); - return -ENODEV; + last_err = -ENODEV; + goto err_free_sock; }
if (orig_iface) { @@ -1145,7 +1146,8 @@ static int netlink_print_common(char *mesh_iface, char *orig_iface, if (!hardifindex) { fprintf(stderr, "Interface %s is unknown\n", orig_iface); - return -ENODEV; + last_err = -ENODEV; + goto err_free_sock; } }