btrfs: fix describe_relocation when printing unknown flags

Looks like the original idea was to print the hex of the flags which is
not coded with their flag name. So use the current buf pointer bp
instead of buf.

Reaching the uknown flags should never happen, it's there just in case.

Fixes: ebce0e01b930b ("btrfs: make block group flags in balance printks human-readable")
Signed-off-by: Anand Jain <anand.jain@oracle.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

diff --git a/fs/btrfs/relocation.c b/fs/btrfs/relocation.c
index 74656d7..879b76f 100644 (file)
--- a/fs/btrfs/relocation.c
+++ b/fs/btrfs/relocation.c
@@ -4344,7 +4344,7 @@ static void describe_relocation(struct btrfs_fs_info *fs_info,
                DESCRIBE_FLAG(RAID5,    "raid5");
                DESCRIBE_FLAG(RAID6,    "raid6");
                if (flags)
-                       snprintf(buf, buf - bp + sizeof(buf), "|0x%llx", flags);
+                       snprintf(bp, buf - bp + sizeof(buf), "|0x%llx", flags);
 #undef DESCRIBE_FLAG
        }