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.fnst@xxxxxxxxxxxxxx>
---
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
--
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