1 files changed, 13 insertions, 12 deletions

diff --git a/fs/cifs/file.c b/fs/cifs/file.c
index f0a81e631ae6..b1e1fc6a6e6a 100644
--- a/fs/cifs/file.c
+++ b/fs/cifs/file.c
@@ -644,10 +644,10 @@ int cifs_lock(struct file *file, int cmd, struct file_lock *pfLock)
         __u64 length;
         bool wait_flag = false;
         struct cifs_sb_info *cifs_sb;
-        struct cifsTconInfo *pTcon;
+        struct cifsTconInfo *tcon;
         __u16 netfid;
         __u8 lockType = LOCKING_ANDX_LARGE_FILES;
-        bool posix_locking;
+        bool posix_locking = 0;
 
         length = 1 + pfLock->fl_end - pfLock->fl_start;
         rc = -EACCES;
@@ -698,7 +698,7 @@ int cifs_lock(struct file *file, int cmd, struct file_lock *pfLock)
                 cFYI(1, ("Unknown type of lock"));
 
         cifs_sb = CIFS_SB(file->f_path.dentry->d_sb);
-        pTcon = cifs_sb->tcon;
+        tcon = cifs_sb->tcon;
 
         if (file->private_data == NULL) {
                 FreeXid(xid);
@@ -706,9 +706,10 @@ int cifs_lock(struct file *file, int cmd, struct file_lock *pfLock)
         }
         netfid = ((struct cifsFileInfo *)file->private_data)->netfid;
 
-        posix_locking = (cifs_sb->tcon->ses->capabilities & CAP_UNIX) &&
-                        (CIFS_UNIX_FCNTL_CAP & le64_to_cpu(cifs_sb->tcon->fsUnixInfo.Capability));
-
+        if ((tcon->ses->capabilities & CAP_UNIX) &&
+            (CIFS_UNIX_FCNTL_CAP & le64_to_cpu(tcon->fsUnixInfo.Capability)) &&
+            ((cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NOPOSIXBRL) == 0))
+                posix_locking = 1;
         /* BB add code here to normalize offset and length to
         account for negative length which we can not accept over the
         wire */
@@ -719,7 +720,7 @@ int cifs_lock(struct file *file, int cmd, struct file_lock *pfLock)
                                 posix_lock_type = CIFS_RDLCK;
                         else
                                 posix_lock_type = CIFS_WRLCK;
-                        rc = CIFSSMBPosixLock(xid, pTcon, netfid, 1 /* get */,
+                        rc = CIFSSMBPosixLock(xid, tcon, netfid, 1 /* get */,
                                         length, pfLock,
                                         posix_lock_type, wait_flag);
                         FreeXid(xid);
@@ -727,10 +728,10 @@ int cifs_lock(struct file *file, int cmd, struct file_lock *pfLock)
                 }
 
                 /* BB we could chain these into one lock request BB */
-                rc = CIFSSMBLock(xid, pTcon, netfid, length, pfLock->fl_start,
+                rc = CIFSSMBLock(xid, tcon, netfid, length, pfLock->fl_start,
                                  0, 1, lockType, 0 /* wait flag */ );
                 if (rc == 0) {
-                        rc = CIFSSMBLock(xid, pTcon, netfid, length,
+                        rc = CIFSSMBLock(xid, tcon, netfid, length,
                                          pfLock->fl_start, 1 /* numUnlock */ ,
                                          0 /* numLock */ , lockType,
                                          0 /* wait flag */ );
@@ -767,7 +768,7 @@ int cifs_lock(struct file *file, int cmd, struct file_lock *pfLock)
                 if (numUnlock == 1)
                         posix_lock_type = CIFS_UNLCK;
 
-                rc = CIFSSMBPosixLock(xid, pTcon, netfid, 0 /* set */,
+                rc = CIFSSMBPosixLock(xid, tcon, netfid, 0 /* set */,
                                       length, pfLock,
                                       posix_lock_type, wait_flag);
         } else {
@@ -775,7 +776,7 @@ int cifs_lock(struct file *file, int cmd, struct file_lock *pfLock)
                         (struct cifsFileInfo *)file->private_data;
 
                 if (numLock) {
-                        rc = CIFSSMBLock(xid, pTcon, netfid, length,
+                        rc = CIFSSMBLock(xid, tcon, netfid, length,
                                         pfLock->fl_start,
                                         0, numLock, lockType, wait_flag);
 
@@ -796,7 +797,7 @@ int cifs_lock(struct file *file, int cmd, struct file_lock *pfLock)
                                 if (pfLock->fl_start <= li->offset &&
                                                 (pfLock->fl_start + length) >=
                                                 (li->offset + li->length)) {
-                                        stored_rc = CIFSSMBLock(xid, pTcon,
+                                        stored_rc = CIFSSMBLock(xid, tcon,
                                                         netfid,
                                                         li->length, li->offset,
                                                         1, 0, li->type, false);