755 			      unsigned long nr_segs, unsigned long fast_segs,  in rw_copy_check_uvector()  argument
768 	if (nr_segs == 0) {  in rw_copy_check_uvector()
777 	if (nr_segs > UIO_MAXIOV) {  in rw_copy_check_uvector()
781 	if (nr_segs > fast_segs) {  in rw_copy_check_uvector()
782 		iov = kmalloc_array(nr_segs, sizeof(struct iovec), GFP_KERNEL);  in rw_copy_check_uvector()
788 	if (copy_from_user(iov, uvector, nr_segs*sizeof(*uvector))) {  in rw_copy_check_uvector()
803 	for (seg = 0; seg < nr_segs; seg++) {  in rw_copy_check_uvector()
831 		const struct compat_iovec __user *uvector, unsigned long nr_segs,  in compat_rw_copy_check_uvector()  argument
845 	if (nr_segs == 0)  in compat_rw_copy_check_uvector()
849 	if (nr_segs > UIO_MAXIOV)  in compat_rw_copy_check_uvector()
851 	if (nr_segs > fast_segs) {  in compat_rw_copy_check_uvector()
853 		iov = kmalloc_array(nr_segs, sizeof(struct iovec), GFP_KERNEL);  in compat_rw_copy_check_uvector()
860 	if (!access_ok(VERIFY_READ, uvector, nr_segs*sizeof(*uvector)))  in compat_rw_copy_check_uvector()
873 	for (seg = 0; seg < nr_segs; seg++) {  in compat_rw_copy_check_uvector()