cifs: fix fh_mutex locking in cifs_reopen_file

Fixes a regression caused by commit a6ce4932fbdbcd8f8e8c6df76812014351c32892

When this lock was converted to a mutex, the locks were turned into
unlocks and vice-versa.

Signed-off-by: Jeff Layton <jlayton@redhat.com>
Acked-by: Shirish Pargaonkar <shirishp@us.ibm.com>
Cc: Stable Tree <stable@kernel.org>
Signed-off-by: Steve French <sfrench@us.ibm.com>

1 files changed, 5 insertions, 5 deletions

diff --git a/fs/cifs/file.c b/fs/cifs/file.c
index ebdbe62a829c..97ce4bf89d15 100644
--- a/fs/cifs/file.c
+++ b/fs/cifs/file.c
@@ -493,9 +493,9 @@ static int cifs_reopen_file(struct file *file, bool can_flush)
                 return -EBADF;
 
         xid = GetXid();
-        mutex_unlock(&pCifsFile->fh_mutex);
+        mutex_lock(&pCifsFile->fh_mutex);
         if (!pCifsFile->invalidHandle) {
-                mutex_lock(&pCifsFile->fh_mutex);
+                mutex_unlock(&pCifsFile->fh_mutex);
                 rc = 0;
                 FreeXid(xid);
                 return rc;
@@ -527,7 +527,7 @@ static int cifs_reopen_file(struct file *file, bool can_flush)
         if (full_path == NULL) {
                 rc = -ENOMEM;
 reopen_error_exit:
-                mutex_lock(&pCifsFile->fh_mutex);
+                mutex_unlock(&pCifsFile->fh_mutex);
                 FreeXid(xid);
                 return rc;
         }
@@ -569,14 +569,14 @@ reopen_error_exit:
                          cifs_sb->local_nls, cifs_sb->mnt_cifs_flags &
                                 CIFS_MOUNT_MAP_SPECIAL_CHR);
         if (rc) {
-                mutex_lock(&pCifsFile->fh_mutex);
+                mutex_unlock(&pCifsFile->fh_mutex);
                 cFYI(1, ("cifs_open returned 0x%x", rc));
                 cFYI(1, ("oplock: %d", oplock));
         } else {
 reopen_success:
                 pCifsFile->netfid = netfid;
                 pCifsFile->invalidHandle = false;
-                mutex_lock(&pCifsFile->fh_mutex);
+                mutex_unlock(&pCifsFile->fh_mutex);
                 pCifsInode = CIFS_I(inode);
                 if (pCifsInode) {
                         if (can_flush) {