From: Zhang Xiaoxu <zhangxiaoxu5@xxxxxxxxxx>
[ Upstream commit 9a97df404a402fe1174d2d1119f87ff2a0ca2fe9 ]
If the file is used by swap, before return -EOPNOTSUPP, should
free the xid, otherwise, the xid will be leaked.
Fixes: 4e8aea30f775 ("smb3: enable swap on SMB3 mounts")
Reviewed-by: Paulo Alcantara (SUSE) <pc@xxxxxx>
Signed-off-by: Zhang Xiaoxu <zhangxiaoxu5@xxxxxxxxxx>
Signed-off-by: Steve French <stfrench@xxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
fs/cifs/cifsfs.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c
index bc957e6ca48b..f442ef8b65da 100644
--- a/fs/cifs/cifsfs.c
+++ b/fs/cifs/cifsfs.c
@@ -1221,8 +1221,11 @@ static ssize_t cifs_copy_file_range(struct file *src_file, loff_t off,
ssize_t rc;
struct cifsFileInfo *cfile = dst_file->private_data;
- if (cfile->swapfile)
- return -EOPNOTSUPP;
+ if (cfile->swapfile) {
+ rc = -EOPNOTSUPP;
+ free_xid(xid);
+ return rc;
+ }
rc = cifs_file_copychunk_range(xid, src_file, off, dst_file, destoff,
len, flags);
--
2.35.1
