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[87.147.87.56]) by smtp.gmail.com with ESMTPSA id s14-20020a170906960e00b00780ab5a9116sm1794952ejx.211.2022.10.25.11.37.41 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 25 Oct 2022 11:37:41 -0700 (PDT) Message-ID: Date: Tue, 25 Oct 2022 20:37:39 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.11.0 Subject: Re: [PATCH v2 0/4] staging: rtl8712: clean up dynamic memory management Content-Language: en-US To: Nam Cao , Larry Finger , Florian Schilhabel , Greg Kroah-Hartman Cc: Dan Carpenter , linux-staging@lists.linux.dev, linux-kernel@vger.kernel.org References: From: Philipp Hortmann In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FROM,NICE_REPLY_A, RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 10/25/22 11:12, Nam Cao wrote: > This driver is fine if memory allocation never fails. However it does not > handle allocation failure well. This can either lead to memory leak, or > unallocated buffers being used. > > v2: Add a missing if statement, as noticed by Dan Carpenter > > Nam Cao (4): > Revert "staging: r8712u: Tracking kmemleak false positives." > staging: rtl8712: check for alloc fail in _r8712_init_recv_priv() > staging: rtl8712: check for return value of _r8712_init_xmit_priv() > staging: rtl8712: fix potential memory leak > > drivers/staging/rtl8712/os_intfs.c | 27 +++++++++++++++++++++----- > drivers/staging/rtl8712/recv_osdep.h | 8 ++++---- > drivers/staging/rtl8712/rtl8712_recv.c | 7 ++++--- > drivers/staging/rtl8712/rtl871x_recv.c | 16 ++++++++------- > 4 files changed, 39 insertions(+), 19 deletions(-) > Tested-by: Philipp Hortmann