[CIFS] Fix sparse warnings

Signed-off-by: Shirish Pargaonkar <shirishp@us.ibm.com>
CC: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>

1 files changed, 17 insertions, 9 deletions

diff --git a/fs/cifs/dir.c b/fs/cifs/dir.c
index d9006b04324..e937da7522e 100644
--- a/fs/cifs/dir.c
+++ b/fs/cifs/dir.c
@@ -149,7 +149,7 @@ cifs_fill_fileinfo(struct inode *newinode, __u16 fileHandle,
         pCifsFile->pid = current->tgid;
         pCifsFile->pInode = newinode;
         pCifsFile->invalidHandle = false;
-        pCifsFile->closePend     = false;
+        pCifsFile->closePend = false;
         mutex_init(&pCifsFile->fh_mutex);
         mutex_init(&pCifsFile->lock_mutex);
         INIT_LIST_HEAD(&pCifsFile->llist);
@@ -162,20 +162,18 @@ cifs_fill_fileinfo(struct inode *newinode, __u16 fileHandle,
         pCifsInode = CIFS_I(newinode);
         if (pCifsInode) {
                 /* if readable file instance put first in list*/
-                if (write_only) {
+                if (write_only)
                         list_add_tail(&pCifsFile->flist,
                                       &pCifsInode->openFileList);
-                } else {
-                        list_add(&pCifsFile->flist,
-                                 &pCifsInode->openFileList);
-                }
+                else
+                        list_add(&pCifsFile->flist, &pCifsInode->openFileList);
+
                 if ((oplock & 0xF) == OPLOCK_EXCLUSIVE) {
                         pCifsInode->clientCanCacheAll = true;
                         pCifsInode->clientCanCacheRead = true;
-                        cFYI(1, ("Exclusive Oplock inode %p",
-                                newinode));
+                        cFYI(1, ("Exclusive Oplock inode %p", newinode));
                 } else if ((oplock & 0xF) == OPLOCK_READ)
-                        pCifsInode->clientCanCacheRead = true;
+                                pCifsInode->clientCanCacheRead = true;
         }
         write_unlock(&GlobalSMBSeslock);
 }
@@ -668,6 +666,16 @@ cifs_lookup(struct inode *parent_dir_inode, struct dentry *direntry,
                                         parent_dir_inode->i_sb, mode,
                                         nd->intent.open.flags, &oplock,
                                         &fileHandle, xid);
+                                /*
+                                 * This code works around a bug in
+                                 * samba posix open in samba versions 3.3.1
+                                 * and earlier where create works
+                                 * but open fails with invalid parameter.
+                                 * If either of these error codes are
+                                 * returned, follow the normal lookup.
+                                 * Otherwise, the error during posix open
+                                 * is handled.
+                                 */
                                 if ((rc != -EINVAL) && (rc != -EOPNOTSUPP))
                                         posix_open = true;
                         }