From: David Sterba <dsterba@suse.com>
Date: Fri, 10 Jul 2015 22:18:21 +0000 (+0200)
Subject: btrfs-progs: mkfs: catch errors after transaction start
X-Git-Tag: upstream/4.16.1~2103
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=8cb5ff857a7799ec2d8b719859c59b9d446075ff;p=platform%2Fupstream%2Fbtrfs-progs.git

btrfs-progs: mkfs: catch errors after transaction start

Replace missing or BUG_ON in main().

Signed-off-by: David Sterba <dsterba@suse.com>
---

diff --git a/mkfs.c b/mkfs.c
index afecf00..9073f87 100644
--- a/mkfs.c
+++ b/mkfs.c
@@ -1697,7 +1697,10 @@ int main(int ac, char **av)
 	}
 
 	trans = btrfs_start_transaction(root, 1);
-	BUG_ON(!trans);
+	if (!trans) {
+		fprintf(stderr, "failed to start transaction\n");
+		exit(1);
+	}
 
 	ret = create_data_block_groups(trans, root, mixed, &allocation);
 	if (ret) {
@@ -1714,6 +1717,10 @@ int main(int ac, char **av)
 	btrfs_commit_transaction(trans, root);
 
 	trans = btrfs_start_transaction(root, 1);
+	if (!trans) {
+		fprintf(stderr, "failed to start transaction\n");
+		exit(1);
+	}
 
 	if (is_block_device(file))
 		btrfs_register_one_device(file);