1 files changed, 22 insertions, 14 deletions

diff --git a/fs/cifs/file.c b/fs/cifs/file.c
index 302ea15f02e6..97ce4bf89d15 100644
--- a/fs/cifs/file.c
+++ b/fs/cifs/file.c
@@ -241,7 +241,7 @@ static inline int cifs_open_inode_helper(struct inode *inode, struct file *file,
         /* BB need same check in cifs_create too? */
         /* if not oplocked, invalidate inode pages if mtime or file
            size changed */
-        temp = cifs_NTtimeToUnix(le64_to_cpu(buf->LastWriteTime));
+        temp = cifs_NTtimeToUnix(buf->LastWriteTime);
         if (timespec_equal(&file->f_path.dentry->d_inode->i_mtime, &temp) &&
                            (file->f_path.dentry->d_inode->i_size ==
                             (loff_t)le64_to_cpu(buf->EndOfFile))) {
@@ -300,14 +300,16 @@ int cifs_open(struct inode *inode, struct file *file)
         pCifsInode = CIFS_I(file->f_path.dentry->d_inode);
         pCifsFile = cifs_fill_filedata(file);
         if (pCifsFile) {
+                rc = 0;
                 FreeXid(xid);
-                return 0;
+                return rc;
         }
 
         full_path = build_path_from_dentry(file->f_path.dentry);
         if (full_path == NULL) {
+                rc = -ENOMEM;
                 FreeXid(xid);
-                return -ENOMEM;
+                return rc;
         }
 
         cFYI(1, ("inode = 0x%p file flags are 0x%x for %s",
@@ -491,11 +493,12 @@ 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 0;
+                return rc;
         }
 
         if (file->f_path.dentry == NULL) {
@@ -524,7 +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;
         }
@@ -566,14 +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) {
@@ -845,8 +848,9 @@ int cifs_lock(struct file *file, int cmd, struct file_lock *pfLock)
         tcon = cifs_sb->tcon;
 
         if (file->private_data == NULL) {
+                rc = -EBADF;
                 FreeXid(xid);
-                return -EBADF;
+                return rc;
         }
         netfid = ((struct cifsFileInfo *)file->private_data)->netfid;
 
@@ -1805,8 +1809,9 @@ ssize_t cifs_user_read(struct file *file, char __user *read_data,
         pTcon = cifs_sb->tcon;
 
         if (file->private_data == NULL) {
+                rc = -EBADF;
                 FreeXid(xid);
-                return -EBADF;
+                return rc;
         }
         open_file = (struct cifsFileInfo *)file->private_data;
 
@@ -1885,8 +1890,9 @@ static ssize_t cifs_read(struct file *file, char *read_data, size_t read_size,
         pTcon = cifs_sb->tcon;
 
         if (file->private_data == NULL) {
+                rc = -EBADF;
                 FreeXid(xid);
-                return -EBADF;
+                return rc;
         }
         open_file = (struct cifsFileInfo *)file->private_data;
 
@@ -2019,8 +2025,9 @@ static int cifs_readpages(struct file *file, struct address_space *mapping,
 
         xid = GetXid();
         if (file->private_data == NULL) {
+                rc = -EBADF;
                 FreeXid(xid);
-                return -EBADF;
+                return rc;
         }
         open_file = (struct cifsFileInfo *)file->private_data;
         cifs_sb = CIFS_SB(file->f_path.dentry->d_sb);
@@ -2185,8 +2192,9 @@ static int cifs_readpage(struct file *file, struct page *page)
         xid = GetXid();
 
         if (file->private_data == NULL) {
+                rc = -EBADF;
                 FreeXid(xid);
-                return -EBADF;
+                return rc;
         }
 
         cFYI(1, ("readpage %p at offset %d 0x%x\n",