From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S966836AbdAFP7g (ORCPT ); Fri, 6 Jan 2017 10:59:36 -0500 Received: from mx1.redhat.com ([209.132.183.28]:43304 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S966764AbdAFP7Y (ORCPT ); Fri, 6 Jan 2017 10:59:24 -0500 From: Jeff Layton To: Al Viro Cc: linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH] iov_iter: add missing handling for ITER_KVEC in iov_iter_single_seg_count Date: Fri, 6 Jan 2017 10:59:22 -0500 Message-Id: <1483718362-18147-1-git-send-email-jlayton@redhat.com> X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.26]); Fri, 06 Jan 2017 15:59:25 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This seems to currently work by happenstance since kvec and iovec fields basically the same, but it's probably better to make this explicit. Signed-off-by: Jeff Layton --- lib/iov_iter.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/lib/iov_iter.c b/lib/iov_iter.c index f2bd21b93dfc..6b415b5a100d 100644 --- a/lib/iov_iter.c +++ b/lib/iov_iter.c @@ -738,6 +738,8 @@ size_t iov_iter_single_seg_count(const struct iov_iter *i) return i->count; else if (i->type & ITER_BVEC) return min(i->count, i->bvec->bv_len - i->iov_offset); + else if (i->type & ITER_KVEC) + return min(i->count, i->kvec->iov_len - i->iov_offset); else return min(i->count, i->iov->iov_len - i->iov_offset); } -- 2.7.4