869 	size_t tot_len;  in vfs_iocb_iter_read()  local
879 	tot_len = iov_iter_count(iter);  in vfs_iocb_iter_read()
880 	if (!tot_len)  in vfs_iocb_iter_read()
882 	ret = rw_verify_area(READ, file, &iocb->ki_pos, tot_len);  in vfs_iocb_iter_read()
897 	size_t tot_len;  in vfs_iter_read()  local
907 	tot_len = iov_iter_count(iter);  in vfs_iter_read()
908 	if (!tot_len)  in vfs_iter_read()
910 	ret = rw_verify_area(READ, file, ppos, tot_len);  in vfs_iter_read()
929 	size_t tot_len;  in vfs_iocb_iter_write()  local
939 	tot_len = iov_iter_count(iter);  in vfs_iocb_iter_write()
940 	if (!tot_len)  in vfs_iocb_iter_write()
942 	ret = rw_verify_area(WRITE, file, &iocb->ki_pos, tot_len);  in vfs_iocb_iter_write()
960 	size_t tot_len;  in vfs_iter_write()  local
970 	tot_len = iov_iter_count(iter);  in vfs_iter_write()
971 	if (!tot_len)  in vfs_iter_write()
974 	ret = rw_verify_area(WRITE, file, ppos, tot_len);  in vfs_iter_write()
994 	size_t tot_len;  in vfs_readv()  local
1007 	tot_len = iov_iter_count(&iter);  in vfs_readv()
1008 	if (!tot_len)  in vfs_readv()
1011 	ret = rw_verify_area(READ, file, pos, tot_len);  in vfs_readv()
1032 	size_t tot_len;  in vfs_writev()  local
1045 	tot_len = iov_iter_count(&iter);  in vfs_writev()
1046 	if (!tot_len)  in vfs_writev()
1049 	ret = rw_verify_area(WRITE, file, pos, tot_len);  in vfs_writev()