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[103.229.16.4]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2ccc9d3d474sm52320175ad.70.2026.07.09.17.37.25 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 09 Jul 2026 17:37:27 -0700 (PDT) Message-ID: Date: Fri, 10 Jul 2026 08:37:24 +0800 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] Bluetooth: hci_qca: Clear memdump state on invalid dump size To: Paul Menzel , Ruoyu Wang Cc: marcel@holtmann.org, luiz.dentz@gmail.com, johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org References: <20260709062250.4166128-1-ruoyuw560@gmail.com> <435c7cb7-945e-47c2-b70a-dff137f03699@molgen.mpg.de> Content-Language: en-US From: Zijun Hu In-Reply-To: <435c7cb7-945e-47c2-b70a-dff137f03699@molgen.mpg.de> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Authority-Analysis: v=2.4 cv=LbIMLDfi c=1 sm=1 tr=0 ts=6a503ecd cx=c_pps a=cmESyDAEBpBGqyK7t0alAg==:117 a=nuhDOHQX5FNHPW3J6Bj6AA==:17 a=IkcTkHD0fZMA:10 a=RAioF0-LDSMA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=eoimf2acIAo5FJnRuUoq:22 a=EUspDBNiAAAA:8 a=4sb9oNcESZPBAQWmjUMA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=1OuFwYUASf3TG4hYMiVC:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNzEwMDAwMyBTYWx0ZWRfX4ZBJGpgA1pJh l5DYf2u/Cy+UCe/HKBW5AremKPM/2SqhMo/PIxp1I1EFHNMBWcI7T2JzwnkQ3OotOmoGECWqE2a /r4TZvSz5qxbk80qHG1BjW5/qnpVzNoVUTiZ9dtSJDM3tjr8W6jMpQGS3KVPJMfHAI+LGVMdS8x wE7UaghoEQD5d9bynsdSd6v2nLll25GeRTvzgQ5n+sdKUU0Z759hzEZmnY+e75trsvS/987f12F OuVi3daMLGSblxtcf64dVszOlIl7M6HBWN2FAI5tmkfpqp9vz2AOsu9hv1U1KkC5IHhL58glD0f iTKT6Ebd/4vWUY2KgkwnKm9Akn9jpYqVm9xWJ6ui8Lq1tly117zXwZIvtxI8n6dVphIdqUDoagd y6kDA5DnMkIscq5psuipKj5Ld3B9dKs+rFV8Cr0wYifUYH5JhSof0AZvJytlpAqPjWkaVRxOKFL Kbolz8Li08fwRWaN1jw== X-Proofpoint-ORIG-GUID: mIF0ENwXs-sxE3SgZCa46xFkDLzvzbSB X-Proofpoint-Spam-Info: AW1haW4tMjYwNzEwMDAwMyBTYWx0ZWRfX9e1JWEk3K4rN df5khUOfLr6QuI6C5vmWfeQOaaC8nneQgmy6x6yInFuppoF4XLcxgs03LFfa+YrU30NDm2ZCE9P q22k3Mf+cOkTMcWKqtnXYs+9Qll7AyA= X-Proofpoint-GUID: mIF0ENwXs-sxE3SgZCa46xFkDLzvzbSB X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-07-09_04,2026-07-09_04,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 spamscore=0 suspectscore=0 lowpriorityscore=0 bulkscore=0 clxscore=1015 impostorscore=0 priorityscore=1501 phishscore=0 adultscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2607100003 On 7/9/2026 3:26 PM, Paul Menzel wrote: > > diff --git a/drivers/bluetooth/hci_qca.c b/drivers/bluetooth/hci_qca.c > index b2d1ee3a3d115..1222f97800f4a 100644 > --- a/drivers/bluetooth/hci_qca.c > +++ b/drivers/bluetooth/hci_qca.c > @@ -1087,6 +1087,10 @@ static void qca_controller_memdump(struct work_struct *work) >               if (!(qca_memdump->ram_dump_size)) { >                   bt_dev_err(hu->hdev, "Rx invalid memdump size"); >                   kfree(qca_memdump); > +                qca->qca_memdump = NULL; > +                qca->memdump_state = QCA_MEMDUMP_COLLECTED; > +                clear_and_wake_up_bit(QCA_MEMDUMP_COLLECTION, &qca->flags); > +                clear_bit(QCA_IBS_DISABLED, &qca->flags); >                   kfree_skb(skb); >                   mutex_unlock(&qca->hci_memdump_lock); >                   return; Reviewed-by: Zijun Hu