754 			      unsigned long nr_segs, unsigned long fast_segs,  in rw_copy_check_uvector()  argument
767 	if (nr_segs == 0) {  in rw_copy_check_uvector()
776 	if (nr_segs > UIO_MAXIOV) {  in rw_copy_check_uvector()
780 	if (nr_segs > fast_segs) {  in rw_copy_check_uvector()
781 		iov = kmalloc_array(nr_segs, sizeof(struct iovec), GFP_KERNEL);  in rw_copy_check_uvector()
787 	if (copy_from_user(iov, uvector, nr_segs*sizeof(*uvector))) {  in rw_copy_check_uvector()
802 	for (seg = 0; seg < nr_segs; seg++) {  in rw_copy_check_uvector()
830 		const struct compat_iovec __user *uvector, unsigned long nr_segs,  in compat_rw_copy_check_uvector()  argument
844 	if (nr_segs == 0)  in compat_rw_copy_check_uvector()
848 	if (nr_segs > UIO_MAXIOV)  in compat_rw_copy_check_uvector()
850 	if (nr_segs > fast_segs) {  in compat_rw_copy_check_uvector()
852 		iov = kmalloc_array(nr_segs, sizeof(struct iovec), GFP_KERNEL);  in compat_rw_copy_check_uvector()
859 	if (!access_ok(VERIFY_READ, uvector, nr_segs*sizeof(*uvector)))  in compat_rw_copy_check_uvector()
872 	for (seg = 0; seg < nr_segs; seg++) {  in compat_rw_copy_check_uvector()