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[103.229.16.4]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-392d51be07dsm1581789a91.6.2026.08.10.19.32.05 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 10 Aug 2026 19:32:07 -0700 (PDT) Message-ID: <73f642ac-6be7-4287-89d6-d6afd9655efa@oss.qualcomm.com> Date: Tue, 11 Aug 2026 10:32:04 +0800 Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2] wifi: ath12k: clear dangling channel pointers on error paths To: Linkai Gong , jjohnson@kernel.org Cc: vasanthakumar.thiagarajan@oss.qualcomm.com, rameshkumar.sundaram@oss.qualcomm.com, linux-wireless@vger.kernel.org, ath12k@lists.infradead.org, linux-kernel@vger.kernel.org References: <20260811020523.387433-1-gonglinkai@kylinos.cn> From: Baochen Qiang Content-Language: en-US In-Reply-To: <20260811020523.387433-1-gonglinkai@kylinos.cn> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwODExMDAxOCBTYWx0ZWRfX4Hv5nRtyjUXs ubZ4QlAdhSVn5MN7tFPQvEPtf/vLL/8jucZvOk7QlKGjfLS0G5S99W9GdUWAbLtQJxoG7EtsirI YuwIZmZYbLmPUoGtbg9/czO/lbEL4HiF/c6MuE5UMlGaJv5SrJEeXyFmbazomDxcBgTV4LAOy5R Z2IbP4LD+mjsF3ScwiXZ/vgc80vDbZgQV2IpL+eFcvj1Gecm9OXf2eGSpLjsFDhh0t+TevqAq4v PvyHz03Cy18AJFPA9hnxP04OogY6XzNc+sLK553Zi9syrHQKOhympvVsUPvp0HlBsC7pbt0MwB4 kzJ3y6juJWSS2YV3W3FC+HrncGLH9gt2vKb0+rbFucG/Xt1cjQfh3mtSbctwylGMAbPJzo40GMS yN8ndujrSDlg4YIE3UyKWlIfl9cfGBAsxKNo14TtuPNDWk+vbV/kmZSUrhynHdMRKVLNcf1HRjy 3qjEJJuhiOGmMdtTUlQ== X-Authority-Analysis: v=2.4 cv=O4YJeh9W c=1 sm=1 tr=0 ts=6a7a89a8 cx=c_pps a=UNFcQwm+pnOIJct1K4W+Mw==:117 a=nuhDOHQX5FNHPW3J6Bj6AA==:17 a=IkcTkHD0fZMA:10 a=Sv0fKeRqtYgA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=Um2Pa8k9VHT-vaBCBUpS:22 a=EUspDBNiAAAA:8 a=CpnD9HFvDKrr3bQfTTUA:9 a=QEXdDO2ut3YA:10 a=uKXjsCUrEbL0IQVhDsJ9:22 X-Proofpoint-Spam-Info: AW1haW4tMjYwODExMDAxOCBTYWx0ZWRfX/Di4QvfQFr2y KAVPG5LNadXEO7yhBrdTXmJn6FIZmYbLnASvs7uiznIw6bxx0+txTUydMqQ3lItnlZb0qUsQRGN ngh3/iRwNYTLdfDUeMMkge092B1/HUg= X-Proofpoint-GUID: 7RWZMaa-eW38OXcW7Ar4C82cp-dCfs1x X-Proofpoint-ORIG-GUID: 7RWZMaa-eW38OXcW7Ar4C82cp-dCfs1x X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-08-10_06,2026-08-10_03,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 phishscore=0 lowpriorityscore=0 impostorscore=0 malwarescore=0 priorityscore=1501 suspectscore=0 spamscore=0 bulkscore=0 adultscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2608110018 On 8/11/2026 10:05 AM, Linkai Gong wrote: > On failure, ath12k_mac_setup_channels_rates() frees band channel > arrays but leaves the pointers set, or clears the wrong band after a > copy-paste typo (6 GHz free paired with a 2 GHz NULL). Clear the > matching sbands[].channels pointer after each kfree(). > > Compile tested only. > > Signed-off-by: Linkai Gong Reviewed-by: Baochen Qiang