861 static int prepare_open(struct dentry *dentry, int oflag, int ro,  in prepare_open()  argument
870 		if (!(oflag & O_CREAT))  in prepare_open()
880 	if ((oflag & (O_CREAT|O_EXCL)) == (O_CREAT|O_EXCL))  in prepare_open()
882 	if ((oflag & O_ACCMODE) == (O_RDWR | O_WRONLY))  in prepare_open()
884 	acc = oflag2acc[oflag & O_ACCMODE];  in prepare_open()
889 				     struct vfsmount *mnt, int oflag, int ro,  in mqueue_file_open()  argument
900 	ret = prepare_open(dentry, oflag, ro, mode, name, attr);  in mqueue_file_open()
904 		file = dentry_open(&path, oflag, current_cred());  in mqueue_file_open()
911 static int do_mq_open(const char __user *u_name, int oflag, umode_t mode,  in do_mq_open()  argument
917 	audit_mq_open(oflag, mode, attr);  in do_mq_open()
924 	fd = FD_ADD(O_CLOEXEC, mqueue_file_open(name, mnt, oflag, ro, mode, attr));  in do_mq_open()
930 SYSCALL_DEFINE4(mq_open, const char __user *, u_name, int, oflag, umode_t, mode,  in SYSCALL_DEFINE4()  argument
937 	return do_mq_open(u_name, oflag, mode, u_attr ? &attr : NULL);  in SYSCALL_DEFINE4()
1494 		       int, oflag, compat_mode_t, mode,  in COMPAT_SYSCALL_DEFINE4()  argument
1498 	if (u_attr && oflag & O_CREAT) {  in COMPAT_SYSCALL_DEFINE4()
1503 	return do_mq_open(u_name, oflag, mode, p);  in COMPAT_SYSCALL_DEFINE4()