From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx2.suse.de ([195.135.220.15]:53708 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752879AbcEQNgZ (ORCPT ); Tue, 17 May 2016 09:36:25 -0400 To: stable@vger.kernel.org Cc: David Sterba From: Jeff Mahoney Subject: [PATCH] Btrfs: don't use src fd for printk Message-ID: Date: Tue, 17 May 2016 09:36:18 -0400 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Sender: stable-owner@vger.kernel.org List-ID: From: Josef Bacik [ Upstream commit c79b4713304f812d3d6c95826fc3e5fc2c0b0c14 ] 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 Reviewed-by: David Sterba Signed-off-by: David Sterba Cc: stable@vger.kernel.org # 3.14+ --- fs/btrfs/ioctl.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c index 053e677..21423dd 100644 --- a/fs/btrfs/ioctl.c +++ b/fs/btrfs/ioctl.c @@ -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)) {