From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755906AbbLLCtc (ORCPT ); Fri, 11 Dec 2015 21:49:32 -0500 Received: from p3plsmtps2ded03.prod.phx3.secureserver.net ([208.109.80.60]:41694 "EHLO p3plsmtps2ded03.prod.phx3.secureserver.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754542AbbLLCsX (ORCPT ); Fri, 11 Dec 2015 21:48:23 -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: Fri, 11 Dec 2015 20:21:25 -0800 Message-Id: <1449894107-3389-5-git-send-email-kys@microsoft.com> X-Mailer: git-send-email 1.7.4.1 In-Reply-To: <1449894107-3389-1-git-send-email-kys@microsoft.com> References: <1449894084-3348-1-git-send-email-kys@microsoft.com> <1449894107-3389-1-git-send-email-kys@microsoft.com> X-CMAE-Envelope: MS4wfNtOSyyHMDFHAt1AwIyWRgh4iCTx0FMj+8V/nICMBdb0SPTjO+DS3ynyT28HGR6TgIQqkbsHbv3mU9yvN74ibcuBB2wFT2iW5x5U2BPhWYxDrNmLaN0i sXvtZzyFMVLokH/WrL6Ri21TuX3jUQfOsk2r7Cau+rvNAn60cmhBgRN45vc7robdia334btkbChLZfWz2FG+VnFgLSThV395g0tNsSkzsom4pdSA92bzvrER 5psdv+X3cBKgbYOPLZbCMujfysC5KeL3QLw2k1oVZMTE7czFITc/bORwMq9/elCCb07NS/JvWVURJtcNHqOExjlEO4s/lT4ScQY7OndKooNAnme0MAFQe6On lcD0PKr/5fkZT5S41P7p7vxR93RF7FkAoasVytW2qRviilSU3BVSoG0sLJKFRmQVo9PguDqQ 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