samples/bpf: Trivial - fix spelling mistake in usage

Fix spelling mistake.

Signed-off-by: Anton Ivanov <anton.ivanov@cambridgegreys.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Song Liu <songliubraving@fb.com>
Link: https://lore.kernel.org/bpf/20191007082636.14686-1-anton.ivanov@cambridgegreys.com

diff --git a/samples/bpf/xdpsock_user.c b/samples/bpf/xdpsock_user.c
index df011ac3340222236c25a7ad4f17a07cc316c9ee..405c4e091f8b74103d2c7114ba63fae1f156184f 100644 (file)
--- a/samples/bpf/xdpsock_user.c
+++ b/samples/bpf/xdpsock_user.c
@@ -378,7 +378,7 @@ static void usage(const char *prog)
                "  -q, --queue=n        Use queue n (default 0)\n"
                "  -p, --poll           Use poll syscall\n"
                "  -S, --xdp-skb=n      Use XDP skb-mod\n"
-               "  -N, --xdp-native=n   Enfore XDP native mode\n"
+               "  -N, --xdp-native=n   Enforce XDP native mode\n"
                "  -n, --interval=n     Specify statistics update interval (default 1 sec).\n"
                "  -z, --zero-copy      Force zero-copy mode.\n"
                "  -c, --copy           Force copy mode.\n"