From 3f6c8a16104591474ee2432467f2c1f6dba6a651 Mon Sep 17 00:00:00 2001 From: Gui Hecheng Date: Mon, 30 Jun 2014 11:54:12 +0800 Subject: btrfs-progs: limit minimal num of args for btrfs-image The btrfs-image requires at least 2 args to run, one for the source dev/file, the other for the target dev/file. This patch depends on patch: btrfs-progs: move the check_argc_* functions into utils.c Signed-off-by: Gui Hecheng Signed-off-by: David Sterba --- btrfs-image.c | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'btrfs-image.c') diff --git a/btrfs-image.c b/btrfs-image.c index 03cf85e7..985aa26c 100644 --- a/btrfs-image.c +++ b/btrfs-image.c @@ -2522,6 +2522,10 @@ int main(int argc, char *argv[]) } argc = argc - optind; + set_argv0(argv); + if (check_argc_min(argc, 2)) + print_usage(); + dev_cnt = argc - 1; if (create) { -- cgit v1.2.3