Btrfs: don't use src fd for printk
authorJosef Bacik <jbacik@fb.com>
Fri, 25 Mar 2016 14:02:41 +0000 (10:02 -0400)
committerDavid Sterba <dsterba@suse.com>
Mon, 4 Apr 2016 14:29:22 +0000 (16:29 +0200)
The fd we pass in may not be on a btrfs file system, so don't try to do
BTRFS_I() on it.  Thanks,

Signed-off-by: Josef Bacik <jbacik@fb.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
fs/btrfs/ioctl.c

index 053e677..21423dd 100644 (file)
@@ -1654,7 +1654,7 @@ static noinline int btrfs_ioctl_snap_create_transid(struct file *file,
 
                src_inode = file_inode(src.file);
                if (src_inode->i_sb != file_inode(file)->i_sb) {
-                       btrfs_info(BTRFS_I(src_inode)->root->fs_info,
+                       btrfs_info(BTRFS_I(file_inode(file))->root->fs_info,
                                   "Snapshot src from another FS");
                        ret = -EXDEV;
                } else if (!inode_owner_or_capable(src_inode)) {