[CIFS] Respect umask when using POSIX mkdir

When making a directory with POSIX mkdir calls, cifs_mkdir does not
respect the umask.  This patch causes the new POSIX mkdir to create with
the right mode
Signed-off-by: NJeff Layton <jlayton@redhat.com>
Signed-off-by: NSteve French <sfrench@us.ibm.com>

fs/cifs/inode.c

@@ -919,6 +919,7 @@ int cifs_mkdir(struct inode *inode, struct dentry *direntry, int mode)
 			goto mkdir_out;
 		}
 
+		mode &= ~current->fs->umask;
 		rc = CIFSPOSIXCreate(xid, pTcon, SMB_O_DIRECTORY | SMB_O_CREAT,
 				mode, NULL /* netfid */, pInfo, &oplock,
 				full_path, cifs_sb->local_nls,