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 <guihc.f...@cn.fujitsu.com> --- changelog v1->v2: use check_argc_min instead --- btrfs-image.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/btrfs-image.c b/btrfs-image.c index e0aabfd..3b27155 100644 --- a/btrfs-image.c +++ b/btrfs-image.c @@ -2521,6 +2521,10 @@ 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) { -- 1.8.1.4 -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html