From: Lorenzo Bianconi Date: Tue, 7 Feb 2023 11:11:03 +0000 (+0100) Subject: libbpf: Always use libbpf_err to return an error in bpf_xdp_query() X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=02fc0e73e852f78ec374004f924b9d84275d0006;p=linux.git libbpf: Always use libbpf_err to return an error in bpf_xdp_query() In order to properly set errno, rely on libbpf_err utility routine in bpf_xdp_query() to return an error to the caller. Fixes: 04d58f1b26a4 ("libbpf: add API to get XDP/XSK supported features") Signed-off-by: Lorenzo Bianconi Signed-off-by: Daniel Borkmann Link: https://lore.kernel.org/bpf/827d40181f9f90fb37702f44328e1614df7c0503.1675768112.git.lorenzo@kernel.org --- diff --git a/tools/lib/bpf/netlink.c b/tools/lib/bpf/netlink.c index 32b13b7a11b0d..cb082a04ffa8d 100644 --- a/tools/lib/bpf/netlink.c +++ b/tools/lib/bpf/netlink.c @@ -480,7 +480,7 @@ int bpf_xdp_query(int ifindex, int xdp_flags, struct bpf_xdp_query_opts *opts) err = nlattr_add(&req, NETDEV_A_DEV_IFINDEX, &ifindex, sizeof(ifindex)); if (err < 0) - return err; + return libbpf_err(err); err = libbpf_netlink_send_recv(&req, NETLINK_GENERIC, parse_xdp_features, NULL, &md);