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authorJakub Kicinski <jakub.kicinski@netronome.com>2017-12-22 22:36:05 +0300
committerDaniel Borkmann <daniel@iogearbox.net>2017-12-23 03:09:52 +0300
commitb3b1b6532890c70987821946f90c22b8021aaaf8 (patch)
tree1d92de9cfddf5c02a872b48e5bbc5d9e08d54f8d /tools/bpf/bpftool/map.c
parentcd95a89282ef61458c3758d70ebfbd91f303033f (diff)
downloadlinux-b3b1b6532890c70987821946f90c22b8021aaaf8.tar.xz
tools: bpftool: maps: close json array on error paths of show
We can't return from the middle of do_show(), because json_array will not be closed. Break out of the loop. Note that the error handling after the loop depends on errno, so no need to set err. Fixes: 831a0aafe5c3 ("tools: bpftool: add JSON output for `bpftool map *` commands") Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Acked-by: Quentin Monnet <quentin.monnet@netronome.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Diffstat (limited to 'tools/bpf/bpftool/map.c')
-rw-r--r--tools/bpf/bpftool/map.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/tools/bpf/bpftool/map.c b/tools/bpf/bpftool/map.c
index e2450c8e88e6..8368b7ea31b5 100644
--- a/tools/bpf/bpftool/map.c
+++ b/tools/bpf/bpftool/map.c
@@ -523,21 +523,21 @@ static int do_show(int argc, char **argv)
break;
p_err("can't get next map: %s%s", strerror(errno),
errno == EINVAL ? " -- kernel too old?" : "");
- return -1;
+ break;
}
fd = bpf_map_get_fd_by_id(id);
if (fd < 0) {
p_err("can't get map by id (%u): %s",
id, strerror(errno));
- return -1;
+ break;
}
err = bpf_obj_get_info_by_fd(fd, &info, &len);
if (err) {
p_err("can't get map info: %s", strerror(errno));
close(fd);
- return -1;
+ break;
}
if (json_output)