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| author | Andrii Nakryiko <andriin@fb.com> | 2019-07-15 20:57:03 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-07-26 09:10:47 +0200 |
| commit | d092fcf1d773950aa06253ebe933966fa04fc41a (patch) | |
| tree | 9d1b83475f48d061406ef57631dbe3623d37bc4e /tools | |
| parent | dc2fc59d289c4563fad7ee6d37dd4ae768f41936 (diff) | |
| download | linux-stable-d092fcf1d773950aa06253ebe933966fa04fc41a.tar.gz linux-stable-d092fcf1d773950aa06253ebe933966fa04fc41a.tar.bz2 linux-stable-d092fcf1d773950aa06253ebe933966fa04fc41a.zip | |
libbpf: fix another GCC8 warning for strncpy
[ Upstream commit 763ff0e7d9c72e7094b31e7fb84a859be9325635 ]
Similar issue was fixed in cdfc7f888c2a ("libbpf: fix GCC8 warning for
strncpy") already. This one was missed. Fixing now.
Cc: Magnus Karlsson <magnus.karlsson@intel.com>
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
Acked-by: Magnus Karlsson <magnus.karlsson@intel.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/lib/bpf/xsk.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/tools/lib/bpf/xsk.c b/tools/lib/bpf/xsk.c index 8a7a05bc657d..ca272c5b67f4 100644 --- a/tools/lib/bpf/xsk.c +++ b/tools/lib/bpf/xsk.c @@ -562,7 +562,8 @@ int xsk_socket__create(struct xsk_socket **xsk_ptr, const char *ifname, err = -errno; goto out_socket; } - strncpy(xsk->ifname, ifname, IFNAMSIZ); + strncpy(xsk->ifname, ifname, IFNAMSIZ - 1); + xsk->ifname[IFNAMSIZ - 1] = '\0'; err = xsk_set_xdp_socket_config(&xsk->config, usr_config); if (err) |