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authorDavid S. Miller <davem@davemloft.net>2018-07-24 19:21:58 -0700
committerDavid S. Miller <davem@davemloft.net>2018-07-24 19:21:58 -0700
commit19725496da5602b401eae389736ab00d1817e264 (patch)
tree4c1a94bf0121769110f1b9c08ee337a55679a48a /tools/bpf
parentaea5f654e6b78a0c976f7a25950155932c77a53f (diff)
parent9981b4fb8684883dcc0daf088891ff32260b9794 (diff)
downloadlinux-19725496da5602b401eae389736ab00d1817e264.tar.bz2
Merge ra.kernel.org:/pub/scm/linux/kernel/git/davem/net
Diffstat (limited to 'tools/bpf')
-rw-r--r--tools/bpf/bpftool/common.c11
1 files changed, 8 insertions, 3 deletions
diff --git a/tools/bpf/bpftool/common.c b/tools/bpf/bpftool/common.c
index b432daea4520..b3a0709ea7ed 100644
--- a/tools/bpf/bpftool/common.c
+++ b/tools/bpf/bpftool/common.c
@@ -215,6 +215,14 @@ int do_pin_any(int argc, char **argv, int (*get_fd_by_id)(__u32))
int err;
int fd;
+ if (argc < 3) {
+ p_err("too few arguments, id ID and FILE path is required");
+ return -1;
+ } else if (argc > 3) {
+ p_err("too many arguments");
+ return -1;
+ }
+
if (!is_prefix(*argv, "id")) {
p_err("expected 'id' got %s", *argv);
return -1;
@@ -228,9 +236,6 @@ int do_pin_any(int argc, char **argv, int (*get_fd_by_id)(__u32))
}
NEXT_ARG();
- if (argc != 1)
- usage();
-
fd = get_fd_by_id(id);
if (fd < 0) {
p_err("can't get prog by id (%u): %s", id, strerror(errno));