Commit e35f6a53 authored Mar 25, 2016 by Josef Bacik Committed by Sasha Levin Jul 12, 2016

Btrfs: don't use src fd for printk



[ 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 <jbacik@fb.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>

parent 650158b5

fs/btrfs/ioctl.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -1656,7 +1656,7 @@ 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)) {