diff options
Diffstat (limited to 'tools/bpf/bpftool/common.c')
| -rw-r--r-- | tools/bpf/bpftool/common.c | 11 | 
1 files changed, 8 insertions, 3 deletions
diff --git a/tools/bpf/bpftool/common.c b/tools/bpf/bpftool/common.c index 32f9e397a6c0..3f140eff039f 100644 --- a/tools/bpf/bpftool/common.c +++ b/tools/bpf/bpftool/common.c @@ -217,6 +217,14 @@ 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 +238,6 @@ 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));  | 
