Merge branch 'x86/urgent' into x86/iommu

1 files changed, 14 insertions, 7 deletions

diff --git a/fs/cifs/file.c b/fs/cifs/file.c
index 6449e1aae621..b691b893a848 100644
--- a/fs/cifs/file.c
+++ b/fs/cifs/file.c
@@ -488,12 +488,13 @@ int cifs_close(struct inode *inode, struct file *file)
         pTcon = cifs_sb->tcon;
         if (pSMBFile) {
                 struct cifsLockInfo *li, *tmp;
-
+                write_lock(&GlobalSMBSeslock);
                 pSMBFile->closePend = true;
                 if (pTcon) {
                         /* no sense reconnecting to close a file that is
                            already closed */
                         if (!pTcon->need_reconnect) {
+                                write_unlock(&GlobalSMBSeslock);
                                 timeout = 2;
                                 while ((atomic_read(&pSMBFile->wrtPending) != 0)
                                         && (timeout <= 2048)) {
@@ -510,12 +511,15 @@ int cifs_close(struct inode *inode, struct file *file)
                                         timeout *= 4;
                                 }
                                 if (atomic_read(&pSMBFile->wrtPending))
-                                        cERROR(1,
-                                                ("close with pending writes"));
-                                rc = CIFSSMBClose(xid, pTcon,
+                                        cERROR(1, ("close with pending write"));
+                                if (!pTcon->need_reconnect &&
+                                    !pSMBFile->invalidHandle)
+                                        rc = CIFSSMBClose(xid, pTcon,
                                                   pSMBFile->netfid);
-                        }
-                }
+                        } else
+                                write_unlock(&GlobalSMBSeslock);
+                } else
+                        write_unlock(&GlobalSMBSeslock);
 
                 /* Delete any outstanding lock records.
                    We'll lose them when the file is closed anyway. */
@@ -587,15 +591,18 @@ int cifs_closedir(struct inode *inode, struct file *file)
                 pTcon = cifs_sb->tcon;
 
                 cFYI(1, ("Freeing private data in close dir"));
+                write_lock(&GlobalSMBSeslock);
                 if (!pCFileStruct->srch_inf.endOfSearch &&
                     !pCFileStruct->invalidHandle) {
                         pCFileStruct->invalidHandle = true;
+                        write_unlock(&GlobalSMBSeslock);
                         rc = CIFSFindClose(xid, pTcon, pCFileStruct->netfid);
                         cFYI(1, ("Closing uncompleted readdir with rc %d",
                                  rc));
                         /* not much we can do if it fails anyway, ignore rc */
                         rc = 0;
-                }
+                } else
+                        write_unlock(&GlobalSMBSeslock);
                 ptmp = pCFileStruct->srch_inf.ntwrk_buf_start;
                 if (ptmp) {
                         cFYI(1, ("closedir free smb buf in srch struct"));