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Wed, 22 Apr 2026 00:33:30 -0700 (PDT) X-Received: by 2002:a17:903:3dad:b0:2b4:5dff:310f with SMTP id d9443c01a7336-2b5f9fcf868mr132251575ad.34.1776843210296; Wed, 22 Apr 2026 00:33:30 -0700 (PDT) Received: from [10.152.199.23] ([202.46.23.19]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2b5fa9ff8d6sm148998515ad.1.2026.04.22.00.33.27 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 22 Apr 2026 00:33:29 -0700 (PDT) Message-ID: <48ec0ab3-96f7-449f-a1a5-d1e76a3cb139@oss.qualcomm.com> Date: Wed, 22 Apr 2026 13:03:25 +0530 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: [PATCHv2 ath-next] wifi: ath12k: use kzalloc_flex To: Rosen Penev , linux-wireless@vger.kernel.org Cc: Jeff Johnson , Kees Cook , "Gustavo A. R. Silva" , "open list:QUALCOMM ATH12K WIRELESS DRIVER" , open list , open "list:KERNEL" HARDENING "(not" covered by other "areas):Keyword:b__counted_by(_le|_be)?b" References: <20260421213544.6238-1-rosenp@gmail.com> Content-Language: en-US From: Rameshkumar Sundaram In-Reply-To: <20260421213544.6238-1-rosenp@gmail.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Proofpoint-ORIG-GUID: 8fQJ7x1lTC6g4FSOYd3-ZwLN5vK6uhLi X-Authority-Analysis: v=2.4 cv=fozsol4f c=1 sm=1 tr=0 ts=69e879cb cx=c_pps a=JL+w9abYAAE89/QcEU+0QA==:117 a=j4ogTh8yFefVWWEFDRgCtg==:17 a=IkcTkHD0fZMA:10 a=A5OVakUREuEA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=eoimf2acIAo5FJnRuUoq:22 a=pGLkceISAAAA:8 a=EUspDBNiAAAA:8 a=rJ_IYOnZYG8bJ-BjWygA:9 a=QEXdDO2ut3YA:10 a=324X-CrmTo6CU4MGRt3R:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNDIyMDA3MCBTYWx0ZWRfXyo8XjVL+x2f+ AfBauJ7J2xI6N9HGaglnBukACNTLCjbmcIHIMZ/GIkqdtifx+vL32mbkMYP1mcFb6+O1Dr9LaBw VBp23PCfv3XZW8cTavtqvaMnh54COAGsADnR4irxJXWkr09bTImME7NqFfGjSnce/auvy+71XP7 IsjMXNTr0PVaCHf0+Mu2Ldp5sNwnupWAPXEuFcay+ou5TDF38ixBiHJ+06ovnsVWmnMxgt6RfvR RsNfGQWVmPRPRj3etOYe9q8q2iMWo2Q2u+YsjjvoLqp29FyrzGHCt73GNEBG4Hrx0uvoABqKeFc WSUQhSWMtYLljRhwkRiOloJqjBECKfHNnsuah5OH1k73H01sR4wpAhnH3sbZDOPT6t1HozmECYe lm4NG+nXHuqZBBNgiK2ElXe27dskJ7j2CB8k+ia7FX1H8ff/mUpG7s0785HQIHZ1ipb0t06F5hB NtDPavx4xRzl8e57Bow== X-Proofpoint-GUID: 8fQJ7x1lTC6g4FSOYd3-ZwLN5vK6uhLi X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-04-21_03,2026-04-21_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 malwarescore=0 clxscore=1015 adultscore=0 impostorscore=0 spamscore=0 priorityscore=1501 suspectscore=0 phishscore=0 bulkscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2604200000 definitions=main-2604220070 On 4/22/2026 3:05 AM, Rosen Penev wrote: > Convert kzalloc_obj + kcalloc to kzalloc_flex to save an allocation. > > Add __counted_by to get extra runtime analysis. Move counting variable > assignment immediately after allocation before any potential accesses. > kzalloc_flex does this anyway for GCC >= 15. > > Signed-off-by: Rosen Penev > Reviewed-by: Baochen Qiang Reviewed-by: Rameshkumar Sundaram