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| author | Andrii Nakryiko <andrii@kernel.org> | 2020-12-03 15:54:39 -0800 |
|---|---|---|
| committer | Alexei Starovoitov <ast@kernel.org> | 2020-12-03 18:07:05 -0800 |
| commit | 3015b500ae42356936b9b4a8b660eacaee7a6147 (patch) | |
| tree | 65180d871a42736984449c4b5651c73fc9e82eed /tools/lib/bpf/xsk.c | |
| parent | 8158c5fd619d42e94a006e9fb8005fb8a4e6f4d4 (diff) | |
| download | lwn-3015b500ae42356936b9b4a8b660eacaee7a6147.tar.gz lwn-3015b500ae42356936b9b4a8b660eacaee7a6147.zip | |
libbpf: Use memcpy instead of strncpy to please GCC
Some versions of GCC are really nit-picky about strncpy() use. Use memcpy(),
as they are pretty much equivalent for the case of fixed length strings.
Fixes: e459f49b4394 ("libbpf: Separate XDP program load with xsk socket creation")
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Link: https://lore.kernel.org/bpf/20201203235440.2302137-1-andrii@kernel.org
Diffstat (limited to 'tools/lib/bpf/xsk.c')
| -rw-r--r-- | tools/lib/bpf/xsk.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/lib/bpf/xsk.c b/tools/lib/bpf/xsk.c index 4b051ec7cfbb..e3e41ceeb1bc 100644 --- a/tools/lib/bpf/xsk.c +++ b/tools/lib/bpf/xsk.c @@ -583,7 +583,7 @@ static int xsk_create_xsk_struct(int ifindex, struct xsk_socket *xsk) } ctx->ifindex = ifindex; - strncpy(ctx->ifname, ifname, IFNAMSIZ - 1); + memcpy(ctx->ifname, ifname, IFNAMSIZ -1); ctx->ifname[IFNAMSIZ - 1] = 0; xsk->ctx = ctx; |