[PATCH 16/17] Btrfs: don't use src fd for printk

David Sterba
2016-05-05T09:44:46Z

From: Josef Bacik <jbacik@fb.com>

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 | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index 9179be240ca8..e3791f268489 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -1657,7 +1657,7 @@ 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)) {
--
2.7.1