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authorBartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>2018-09-26 15:54:31 +0200
committerBartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>2018-09-26 15:54:31 +0200
commitaaccf3c97418f169afdbb5855e9cbcbda34e90fd (patch)
tree5d4207e67958bdbc23288cf30178692f5534e1a0 /tools/bpf/bpftool/common.c
parentf39684524b391c5a7ed0ac44db4fec3357af1c5d (diff)
parent6bf4ca7fbc85d80446ac01c0d1d77db4d91a6d84 (diff)
Merge tag 'v4.19-rc5' of https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux into fbdev-for-next
Sync with upstream (which now contains fbdev-v4.19 changes) to prepare a base for fbdev-v4.20 changes.
Diffstat (limited to 'tools/bpf/bpftool/common.c')
-rw-r--r--tools/bpf/bpftool/common.c13
1 files changed, 8 insertions, 5 deletions
diff --git a/tools/bpf/bpftool/common.c b/tools/bpf/bpftool/common.c
index 32f9e397a6c0..b3a0709ea7ed 100644
--- a/tools/bpf/bpftool/common.c
+++ b/tools/bpf/bpftool/common.c
@@ -31,8 +31,6 @@
* SOFTWARE.
*/
-/* Author: Jakub Kicinski <kubakici@wp.pl> */
-
#include <ctype.h>
#include <errno.h>
#include <fcntl.h>
@@ -217,6 +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;
@@ -230,9 +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));