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authorBenjamin Poirier <bpoirier@suse.com>2019-04-11 17:03:32 +0900
committerAlexei Starovoitov <ast@kernel.org>2019-04-25 17:30:14 -0700
commit77d764263d1165a2edf13735915fc39bc44abf1d (patch)
treead753ffb68150f74bf080338fa84a832612275f5 /tools
parent7f0c57fec80f198ae9fcd06e5bbca13196815a4b (diff)
downloadlinux-77d764263d1165a2edf13735915fc39bc44abf1d.tar.bz2
bpftool: Fix errno variable usage
The test meant to use the saved value of errno. Given the current code, it makes no practical difference however. Fixes: bf598a8f0f77 ("bpftool: Improve handling of ENOENT on map dumps") Signed-off-by: Benjamin Poirier <bpoirier@suse.com> Reviewed-by: Quentin Monnet <quentin.monnet@netronome.com> Acked-by: Song Liu <songliubraving@fb.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Diffstat (limited to 'tools')
-rw-r--r--tools/bpf/bpftool/map.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/bpf/bpftool/map.c b/tools/bpf/bpftool/map.c
index 10b6c9d3e525..e6dcb3653a77 100644
--- a/tools/bpf/bpftool/map.c
+++ b/tools/bpf/bpftool/map.c
@@ -724,7 +724,7 @@ static int dump_map_elem(int fd, void *key, void *value,
} else {
const char *msg = NULL;
- if (errno == ENOENT)
+ if (lookup_errno == ENOENT)
msg = "<no entry>";
else if (lookup_errno == ENOSPC &&
map_info->type == BPF_MAP_TYPE_REUSEPORT_SOCKARRAY)