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Mon, 09 Mar 2026 03:13:42 -0700 (PDT) X-Received: by 2002:a05:620a:4445:b0:8cd:8f41:d939 with SMTP id af79cd13be357-8cd8f41dc97mr79905985a.7.1773051221522; Mon, 09 Mar 2026 03:13:41 -0700 (PDT) Received: from [10.176.2.68] ([192.19.176.227]) by smtp.gmail.com with ESMTPSA id af79cd13be357-8cd8d4cac0esm111942685a.36.2026.03.09.03.13.39 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 09 Mar 2026 03:13:40 -0700 (PDT) Message-ID: <1cc4caff-41fc-4827-8b29-18964b41b49a@broadcom.com> Date: Mon, 9 Mar 2026 11:13:40 +0100 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] brcmfmac: Fix error pointer dereference To: Ethan Tidmore Cc: linux-wireless@vger.kernel.org, brcm80211@lists.linux.dev, brcm80211-dev-list.pdl@broadcom.com, linux-kernel@vger.kernel.org, johannes.berg@intel.com References: <20260217023043.73631-1-ethantidmore06@gmail.com> Content-Language: en-US From: Arend van Spriel Autocrypt: addr=arend.vanspriel@broadcom.com; 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charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-DetectorID-Processed: b00c1d49-9d2e-4205-b15f-d015386d3d5e On 17/02/2026 03:30, Ethan Tidmore wrote: > The function brcmf_chip_add_core() can return an error pointer and is > not checked. Add checks for error pointer. > > Detected by Smatch: > drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c:1010 brcmf_chip_recognition() error: > 'core' dereferencing possible ERR_PTR() [...] > Fixes: cb7cf7be9eba7 ("brcmfmac: make chip related functions host interface independent") Acked-by: Arend van Spriel > Signed-off-by: Ethan Tidmore > --- > .../wireless/broadcom/brcm80211/brcmfmac/chip.c | 15 +++++++++++++++ > 1 file changed, 15 insertions(+)