From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH] net: qualcomm: rmnet: check for null ep to avoid null pointer dereference Date: Mon, 26 Mar 2018 12:11:45 -0400 (EDT) Message-ID: <20180326.121145.136604200411684413.davem@davemloft.net> References: <20180323235157.8129-1-colin.king@canonical.com> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: subashab@codeaurora.org, netdev@vger.kernel.org, kernel-janitors@vger.kernel.org, linux-kernel@vger.kernel.org To: colin.king@canonical.com Return-path: In-Reply-To: <20180323235157.8129-1-colin.king@canonical.com> Sender: linux-kernel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org From: Colin King Date: Fri, 23 Mar 2018 23:51:57 +0000 > From: Colin Ian King > > The call to rmnet_get_endpoint can potentially return NULL so check > for this to avoid any subsequent null pointer dereferences on a NULL > ep. > > Detected by CoverityScan, CID#1465385 ("Dereference null return value") > > Fixes: 23790ef12082 ("net: qualcomm: rmnet: Allow to configure flags for existing devices") > Signed-off-by: Colin Ian King Applied to net-next, thanks.