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[142.162.113.180]) by smtp.gmail.com with ESMTPSA id u189sm6080976qkd.62.2019.10.28.09.54.36 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Mon, 28 Oct 2019 09:54:36 -0700 (PDT) Received: from jgg by mlx.ziepe.ca with local (Exim 4.90_1) (envelope-from ) id 1iP8Hs-0004oo-Ae; Mon, 28 Oct 2019 13:54:36 -0300 Date: Mon, 28 Oct 2019 13:54:36 -0300 From: Jason Gunthorpe To: Colin King Cc: Lijun Ou , Wei Hu , Doug Ledford , Tao Tian , Leon Romanovsky , Yangyang Li , linux-rdma@vger.kernel.org, kernel-janitors@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH][next] RDMA/hns: fix memory leak on 'context' on error return path Message-ID: <20191028165436.GA18470@ziepe.ca> References: <20191024131034.19989-1-colin.king@canonical.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20191024131034.19989-1-colin.king@canonical.com> User-Agent: Mutt/1.9.4 (2018-02-28) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Oct 24, 2019 at 02:10:34PM +0100, Colin King wrote: > From: Colin Ian King > > Currently, the error return path when the call to function > dev->dfx->query_cqc_info fails will leak object 'context'. Fix this > by making the error return path via 'err' return return codes rather > than -EMSGSIZE, set ret appropriately for all error return paths and > for the memory leak now return via 'err' with -EINVAL rather than > just returning without freeing context. > > Addresses-Coverity: ("Resource leak") > Fixes: e1c9a0dc2939 ("RDMA/hns: Dump detailed driver-specific CQ") > Signed-off-by: Colin Ian King > --- > drivers/infiniband/hw/hns/hns_roce_restrack.c | 16 +++++++++++----- > 1 file changed, 11 insertions(+), 5 deletions(-) Applied to for-next with the note to remove the EINVAL return Thanks, Jason