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[2/2] btrfs-progs:btrfstune:fix multiple options error

Message ID 1420791102-9948-2-git-send-email-fancn.fnst@cn.fujitsu.com (mailing list archive)
State Accepted
Headers show

Commit Message

Fan Chengniang Jan. 9, 2015, 8:11 a.m. UTC 
when we use multiple options, error return status will be override by the
last option status.
example: btrfstune -S 1 -r /dev/loop0
when -S option fails and -r option succeeds, return value is 0, rather than
1, where 1 is the right return status.

Reported-by: Chen Hanxiao <chenhanxiao@cn.fujitsu.com>
Signed-off-by: Fan Chengniang <fancn.fnst@cn.fujitsu.com>
---
 btrfstune.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)
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Patch

diff --git a/btrfstune.c b/btrfstune.c
index 9a9e855..499a71d 100644
--- a/btrfstune.c
+++ b/btrfstune.c
@@ -117,6 +117,7 @@  int main(int argc, char *argv[])
 {
 	struct btrfs_root *root;
 	int success = 0;
+	int total = 0;
 	int extrefs_flag = 0;
 	int seeding_flag = 0;
 	u64 seeding_value = 0;
@@ -199,19 +200,22 @@  int main(int argc, char *argv[])
 			ignore_enabled_seeding);
 		if (!ret)
 			success++;
+		total++;
 	}
 
 	if (extrefs_flag) {
 		enable_extrefs_flag(root);
 		success++;
+		total++;
 	}
 
 	if (skinny_flag) {
 		enable_skinny_metadata(root);
 		success++;
+		total++;
 	}
 
-	if (success > 0) {
+	if (success == total) {
 		ret = 0;
 	} else {
 		root->fs_info->readonly = 1;