From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 20D9E8F57 for ; Mon, 13 Feb 2023 15:00:49 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 91EA6C4339B; Mon, 13 Feb 2023 15:00:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1676300448; bh=mngZq1KDKRY+cOGQGEcsN7/a44cmPS3M0YFSPEPT5HU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=bmmlSuZMRj82HnZAA6D/3GSakEyE2/aLzQ0K69vXmJABg2t01ZAQCUpzvbXPPvOKb 1t1aPVOBxmofGf4rTD/E3Rte8YB1MjKh9BsJHXQECRJs7/k/mS7sm2XL+1X/+iGizP 4+2qWaYHSaAjxlYip3GF0Kdo4eZs0wACEoOgCaEU= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Al Viro , Sasha Levin Subject: [PATCH 5.10 019/139] fix "direction" argument of iov_iter_kvec() Date: Mon, 13 Feb 2023 15:49:24 +0100 Message-Id: <20230213144746.665887232@linuxfoundation.org> X-Mailer: git-send-email 2.39.1 In-Reply-To: <20230213144745.696901179@linuxfoundation.org> References: <20230213144745.696901179@linuxfoundation.org> User-Agent: quilt/0.67 Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Al Viro [ Upstream commit fc02f33787d8dd227b54f263eba983d5b249c032 ] Signed-off-by: Al Viro Signed-off-by: Sasha Levin --- drivers/xen/pvcalls-back.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/xen/pvcalls-back.c b/drivers/xen/pvcalls-back.c index a7d293fa8d14..3b5a8e2c4d47 100644 --- a/drivers/xen/pvcalls-back.c +++ b/drivers/xen/pvcalls-back.c @@ -129,13 +129,13 @@ static bool pvcalls_conn_back_read(void *opaque) if (masked_prod < masked_cons) { vec[0].iov_base = data->in + masked_prod; vec[0].iov_len = wanted; - iov_iter_kvec(&msg.msg_iter, WRITE, vec, 1, wanted); + iov_iter_kvec(&msg.msg_iter, READ, vec, 1, wanted); } else { vec[0].iov_base = data->in + masked_prod; vec[0].iov_len = array_size - masked_prod; vec[1].iov_base = data->in; vec[1].iov_len = wanted - vec[0].iov_len; - iov_iter_kvec(&msg.msg_iter, WRITE, vec, 2, wanted); + iov_iter_kvec(&msg.msg_iter, READ, vec, 2, wanted); } atomic_set(&map->read, 0); @@ -188,13 +188,13 @@ static bool pvcalls_conn_back_write(struct sock_mapping *map) if (pvcalls_mask(prod, array_size) > pvcalls_mask(cons, array_size)) { vec[0].iov_base = data->out + pvcalls_mask(cons, array_size); vec[0].iov_len = size; - iov_iter_kvec(&msg.msg_iter, READ, vec, 1, size); + iov_iter_kvec(&msg.msg_iter, WRITE, vec, 1, size); } else { vec[0].iov_base = data->out + pvcalls_mask(cons, array_size); vec[0].iov_len = array_size - pvcalls_mask(cons, array_size); vec[1].iov_base = data->out; vec[1].iov_len = size - vec[0].iov_len; - iov_iter_kvec(&msg.msg_iter, READ, vec, 2, size); + iov_iter_kvec(&msg.msg_iter, WRITE, vec, 2, size); } atomic_set(&map->write, 0); -- 2.39.0