878 	size_t tot_len;  in vfs_iocb_iter_read()  local
888 	tot_len = iov_iter_count(iter);  in vfs_iocb_iter_read()
889 	if (!tot_len)  in vfs_iocb_iter_read()
891 	ret = rw_verify_area(READ, file, &iocb->ki_pos, tot_len);  in vfs_iocb_iter_read()
906 	size_t tot_len;  in vfs_iter_read()  local
916 	tot_len = iov_iter_count(iter);  in vfs_iter_read()
917 	if (!tot_len)  in vfs_iter_read()
919 	ret = rw_verify_area(READ, file, ppos, tot_len);  in vfs_iter_read()
938 	size_t tot_len;  in vfs_iocb_iter_write()  local
948 	tot_len = iov_iter_count(iter);  in vfs_iocb_iter_write()
949 	if (!tot_len)  in vfs_iocb_iter_write()
951 	ret = rw_verify_area(WRITE, file, &iocb->ki_pos, tot_len);  in vfs_iocb_iter_write()
969 	size_t tot_len;  in vfs_iter_write()  local
979 	tot_len = iov_iter_count(iter);  in vfs_iter_write()
980 	if (!tot_len)  in vfs_iter_write()
983 	ret = rw_verify_area(WRITE, file, ppos, tot_len);  in vfs_iter_write()
1003 	size_t tot_len;  in vfs_readv()  local
1016 	tot_len = iov_iter_count(&iter);  in vfs_readv()
1017 	if (!tot_len)  in vfs_readv()
1020 	ret = rw_verify_area(READ, file, pos, tot_len);  in vfs_readv()
1041 	size_t tot_len;  in vfs_writev()  local
1054 	tot_len = iov_iter_count(&iter);  in vfs_writev()
1055 	if (!tot_len)  in vfs_writev()
1058 	ret = rw_verify_area(WRITE, file, pos, tot_len);  in vfs_writev()