From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932900AbbLNW3u (ORCPT ); Mon, 14 Dec 2015 17:29:50 -0500 Received: from p3plsmtps2ded02.prod.phx3.secureserver.net ([208.109.80.59]:52863 "EHLO p3plsmtps2ded02.prod.phx3.secureserver.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753661AbbLNW2Y (ORCPT ); Mon, 14 Dec 2015 17:28:24 -0500 x-originating-ip: 72.167.245.219 From: "K. Y. Srinivasan" To: gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, devel@linuxdriverproject.org, olaf@aepfle.de, apw@canonical.com, vkuznets@redhat.com, jasowang@redhat.com Cc: "K. Y. Srinivasan" Subject: [PATCH RESEND 05/27] Drivers: hv: util: catch allocation errors Date: Mon, 14 Dec 2015 16:01:36 -0800 Message-Id: <1450137718-26366-5-git-send-email-kys@microsoft.com> X-Mailer: git-send-email 1.7.4.1 In-Reply-To: <1450137718-26366-1-git-send-email-kys@microsoft.com> References: <1450137698-26327-1-git-send-email-kys@microsoft.com> <1450137718-26366-1-git-send-email-kys@microsoft.com> X-CMAE-Envelope: MS4wfBdTxpQnEvBnbSsXm38IoWF5x+hwn7ERtWJkLs4Gd3KCkI4fe3Xw7Q49hH6eM/j+elz9tFTokFmB/oLoiGczaR465q5l3W3VAxfIZrwwVBq3CzcEEnZX 0Q08Rpkwyl1+jav8X1JCEKTxVcSoENOSVEUCbRcyV3C5F+/1czoTmoAGqrmTGHmHoqIQb7Xqx98YnpIidIXo8nw2D9Y9U62YW52kL6CyZvjeIlXiXk4THy47 y+IaO+8S6LOVVc0QRSzkeDjTIBfCF8RXSQxKyKvJ6U9fpScMHjJ6e90xQMmWGsdRj1H/x6aqGOWIoFesd7Czx/PRbVMcmA4IhYgtXOWiS9KgCgUA6GYAPJV7 fcKjvPNvRr0/1p8VvGvaJ2RvQXTcUlhLCXIzrY3kT+J708BWIpnuQiOVa19oQnO+W6eKf+BV Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Olaf Hering Catch allocation errors in hvutil_transport_send. Fixes: 14b50f80c32d ('Drivers: hv: util: introduce hv_utils_transport abstraction') Signed-off-by: Olaf Hering Signed-off-by: K. Y. Srinivasan --- drivers/hv/hv_utils_transport.c | 9 ++++++--- 1 files changed, 6 insertions(+), 3 deletions(-) diff --git a/drivers/hv/hv_utils_transport.c b/drivers/hv/hv_utils_transport.c index 6a9d80a..1505ee6 100644 --- a/drivers/hv/hv_utils_transport.c +++ b/drivers/hv/hv_utils_transport.c @@ -204,9 +204,12 @@ int hvutil_transport_send(struct hvutil_transport *hvt, void *msg, int len) goto out_unlock; } hvt->outmsg = kzalloc(len, GFP_KERNEL); - memcpy(hvt->outmsg, msg, len); - hvt->outmsg_len = len; - wake_up_interruptible(&hvt->outmsg_q); + if (hvt->outmsg) { + memcpy(hvt->outmsg, msg, len); + hvt->outmsg_len = len; + wake_up_interruptible(&hvt->outmsg_q); + } else + ret = -ENOMEM; out_unlock: mutex_unlock(&hvt->outmsg_lock); return ret; -- 1.7.4.1