From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754295AbaLIWwm (ORCPT ); Tue, 9 Dec 2014 17:52:42 -0500 Received: from zeniv.linux.org.uk ([195.92.253.2]:37495 "EHLO ZenIV.linux.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753988AbaLIWum (ORCPT ); Tue, 9 Dec 2014 17:50:42 -0500 From: Al Viro To: David Miller Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 25/25] bury memcpy_toiovec() Date: Tue, 9 Dec 2014 22:50:38 +0000 Message-Id: <1418165438-2205-25-git-send-email-viro@ZenIV.linux.org.uk> X-Mailer: git-send-email 1.7.7.6 In-Reply-To: <20141209224928.GL22149@ZenIV.linux.org.uk> References: <20141209224928.GL22149@ZenIV.linux.org.uk> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Al Viro no users left Signed-off-by: Al Viro --- include/linux/uio.h | 1 - lib/iovec.c | 25 ------------------------- 2 files changed, 26 deletions(-) diff --git a/include/linux/uio.h b/include/linux/uio.h index bd8569a..a41e252 100644 --- a/include/linux/uio.h +++ b/include/linux/uio.h @@ -131,7 +131,6 @@ size_t csum_and_copy_to_iter(void *addr, size_t bytes, __wsum *csum, struct iov_ size_t csum_and_copy_from_iter(void *addr, size_t bytes, __wsum *csum, struct iov_iter *i); int memcpy_fromiovec(unsigned char *kdata, struct iovec *iov, int len); -int memcpy_toiovec(struct iovec *iov, unsigned char *kdata, int len); int memcpy_fromiovecend(unsigned char *kdata, const struct iovec *iov, int offset, int len); int memcpy_toiovecend(const struct iovec *v, unsigned char *kdata, diff --git a/lib/iovec.c b/lib/iovec.c index df3abd1..2d99cb4 100644 --- a/lib/iovec.c +++ b/lib/iovec.c @@ -29,31 +29,6 @@ EXPORT_SYMBOL(memcpy_fromiovec); /* * Copy kernel to iovec. Returns -EFAULT on error. - * - * Note: this modifies the original iovec. - */ - -int memcpy_toiovec(struct iovec *iov, unsigned char *kdata, int len) -{ - while (len > 0) { - if (iov->iov_len) { - int copy = min_t(unsigned int, iov->iov_len, len); - if (copy_to_user(iov->iov_base, kdata, copy)) - return -EFAULT; - kdata += copy; - len -= copy; - iov->iov_len -= copy; - iov->iov_base += copy; - } - iov++; - } - - return 0; -} -EXPORT_SYMBOL(memcpy_toiovec); - -/* - * Copy kernel to iovec. Returns -EFAULT on error. */ int memcpy_toiovecend(const struct iovec *iov, unsigned char *kdata, -- 2.1.3