From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-ej1-f49.google.com (mail-ej1-f49.google.com [209.85.218.49]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id DCFFA1854; Tue, 13 Sep 2022 18:48:18 +0000 (UTC) Received: by mail-ej1-f49.google.com with SMTP id u9so29687454ejy.5; Tue, 13 Sep 2022 11:48:18 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=content-transfer-encoding:in-reply-to:from:references:cc:to :content-language:subject:user-agent:mime-version:date:message-id :from:to:cc:subject:date; bh=XBHLZTWZOIl8sDgOr6oowMYyKC9CQNtQkXOucXD0z+E=; b=p/NojyPyvsHavYWQqzvNw0t2GK19zTWTnyuY77SdFIhq/FLzli8enBq8DKYnQvkbAT lxbpEmooS27xid9hxCQObiXdDCYfF0oHZzJLRwNE8flh8HTb7Ly7O9I7tBlYo3dCP0n+ Ue6trZpizZbivVxJrXCiVtlLsd3T1v8q1eB9hi+GU75gHYuj+nkJk2IIXY20IfDrtd+z Q7/16/u/NLcKUofr94vRpbnUJULupk0grmQOyLh5/vPGewSgh8T1KZWJ88F6FXEiYh8o FtBFMW9wJgXhwQ5KUg3KOaZVU/dlNLj7LAIn0Yu4ksHllVnx80BCDxv0R5aIkegLrAVV YYnw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:in-reply-to:from:references:cc:to :content-language:subject:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date; bh=XBHLZTWZOIl8sDgOr6oowMYyKC9CQNtQkXOucXD0z+E=; b=5nT3UQcs+kq1zQvoJw2GcP4TBcq6L0Y6E0f6Vw1xTkcRoIVbA1OZhRBJ1pxG2r0era yNzf9DLN+e+lqiO6e+5krSA0ejDs8WfMXOgCLAT8uBgx4b1FIt5xkFxqCY6U3NqIfGpJ Ko2/ABXbhCSZzWO9QcuHOFqGUopDCuQ8FeCGdzfPxkmDL38feNOFtR48bMzibd9Iz27x N4qPwqYMsum2GEskCMbrfLtRoG0rmM7HCHZ5OssicpzpLdfNgEx9wWpCsd+7ZzaMciVK su5hRWuHJISa2z7K4JzwZWfm2dR0CB2ipPYrolnh8oxj8m95ASfWnxRQJFsbYDXI5UQI Y6RA== X-Gm-Message-State: ACgBeo0psmIn/RNpFg9xjTzalW18+fmmjHGgD3B/QVXyNUZjFOl2v6dv WQS50AGj98nEGCqwIAyUsTc= X-Google-Smtp-Source: AA6agR74baFVWhcfvop5PJG0F+DYWr+HawnGmOdMlTQLdePatB9kl5dQ1hcLIMe2N2lYaDDGNTA0qA== X-Received: by 2002:a17:906:8a5c:b0:77c:9d8:6fbc with SMTP id gx28-20020a1709068a5c00b0077c09d86fbcmr10110272ejc.500.1663094897009; Tue, 13 Sep 2022 11:48:17 -0700 (PDT) Received: from ?IPV6:2003:c7:8f3e:6a20:6823:7621:36e:ae26? (p200300c78f3e6a2068237621036eae26.dip0.t-ipconnect.de. [2003:c7:8f3e:6a20:6823:7621:36e:ae26]) by smtp.gmail.com with ESMTPSA id u5-20020a1709063b8500b007336c3f05bdsm6558209ejf.178.2022.09.13.11.48.15 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 13 Sep 2022 11:48:16 -0700 (PDT) Message-ID: <3b60a44b-2868-ba93-bb0c-d937a209f03e@gmail.com> Date: Tue, 13 Sep 2022 20:48:14 +0200 Precedence: bulk X-Mailing-List: linux-staging@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: 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] Staging: rtl8192e: Fix return type of rtllib_xmit Content-Language: en-US To: Nathan Huckleberry Cc: Dan Carpenter , llvm@lists.linux.dev, Greg Kroah-Hartman , Nathan Chancellor , Nick Desaulniers , Tom Rix , Felix Schlepper , linux-staging@lists.linux.dev, linux-kernel@vger.kernel.org References: <20220912214548.929144-1-nhuck@google.com> From: Philipp Hortmann In-Reply-To: <20220912214548.929144-1-nhuck@google.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 9/12/22 23:45, Nathan Huckleberry wrote: > The ndo_start_xmit field in net_device_ops is expected to be of type > netdev_tx_t (*ndo_start_xmit)(struct sk_buff *skb, struct net_device *dev). > > The mismatched return type breaks forward edge kCFI since the underlying > function definition does not match the function hook definition. > > The return type of rtllib_xmit should be changed from int to > netdev_tx_t. > > Reported-by: Dan Carpenter > Link:https://github.com/ClangBuiltLinux/linux/issues/1703 > Cc:llvm@lists.linux.dev > Signed-off-by: Nathan Huckleberry > --- > drivers/staging/rtl8192e/rtllib_tx.c | 8 ++++---- > 1 file changed, 4 insertions(+), 4 deletions(-) > > diff --git a/drivers/staging/rtl8192e/rtllib_tx.c b/drivers/staging/rtl8192e/rtllib_tx.c > index 42f81b23a144..1b665afd309e 100644 > --- a/drivers/staging/rtl8192e/rtllib_tx.c > +++ b/drivers/staging/rtl8192e/rtllib_tx.c Hi, I cannot apply your patch. Applying: Staging: rtl8192e: Fix return type of rtllib_xmit error: patch failed: drivers/staging/rtl8192e/rtllib_tx.c:962 error: drivers/staging/rtl8192e/rtllib_tx.c: patch does not apply Patch failed at 0001 Staging: rtl8192e: Fix return type of rtllib_xmit git remote show origin * remote origin Fetch URL: git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging.git ... my branch: staging-testing Bye Philipp