[CIFS] Allow null nd (as nfs server uses) on create

While creating a file on a server which supports unix extensions
such as Samba, if a file is being created which does not supply
nameidata (i.e. nd is null), cifs client can oops when calling
cifs_posix_open.

Signed-off-by: Shirish Pargaonkar <shirishp@us.ibm.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>

1 files changed, 4 insertions, 2 deletions

diff --git a/fs/cifs/cifsproto.h b/fs/cifs/cifsproto.h
index 32262e15be39..cc622a735f29 100644
--- a/fs/cifs/cifsproto.h
+++ b/fs/cifs/cifsproto.h
@@ -107,8 +107,10 @@ extern struct cifsFileInfo *cifs_new_fileinfo(struct inode *newinode,
                                 __u16 fileHandle, struct file *file,
                                 struct vfsmount *mnt, unsigned int oflags);
 extern int cifs_posix_open(char *full_path, struct inode **pinode,
-                           struct vfsmount *mnt, int mode, int oflags,
-                           __u32 *poplock, __u16 *pnetfid, int xid);
+                                struct vfsmount *mnt,
+                                struct super_block *sb,
+                                int mode, int oflags,
+                                __u32 *poplock, __u16 *pnetfid, int xid);
 extern void cifs_unix_basic_to_fattr(struct cifs_fattr *fattr,
                                      FILE_UNIX_BASIC_INFO *info,
                                      struct cifs_sb_info *cifs_sb);