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[2001:1c00:c32:7800:5bfa:a036:83f0:f9ec]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-c504a6a4195sm339950666b.86.2026.11.12.05.32.31 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 12 Nov 2026 05:32:31 -0800 (PST) Message-ID: <6876daaa-1e9e-4f69-855f-53dfb2b8a7ee@oss.qualcomm.com> Date: Thu, 12 Nov 2026 14:32:30 +0100 X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] ASoC: soc-core: start rtd->num_components at zero To: Mark Brown , Dennis Gilmore , kees@kernel.org Cc: lgirdwood@gmail.com, perex@perex.cz, tiwai@suse.com, gustavoars@kernel.org, linux-sound@vger.kernel.org, linux-hardening@vger.kernel.org, linux-kernel@vger.kernel.org, michael.hennerich@analog.com, nuno.sa@analog.com, dlechner@baylibre.com, linux-spi@vger.kernel.org, miriam.rachel.korenblit@intel.com, linux-wireless@vger.kernel.org References: <20261112025252.71375-1-dennis@ausil.us> <179448342405.66517.5463730214277229760.b4-review@b4> From: Hans de Goede Content-Language: en-US, nl In-Reply-To: <179448342405.66517.5463730214277229760.b4-review@b4> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-ORIG-GUID: 1j1wjLMZfMx-exktwsiOsPxvq9tO2HuU X-Proofpoint-Spam-Info: AW1haW4tMjYxMTEyMDA1MyBTYWx0ZWRfX+OM11FMbq2X/ 3U2/VY+JT4SFLQGDCEj8QYrgxEjoeYhHIG1r1BiZe0GxayOm1Q38d/rq9gog7rxzY7Xx/8x+HDR xQVtiRClr4u1x92gaacrkNuocIN8hfg= X-Proofpoint-GUID: 1j1wjLMZfMx-exktwsiOsPxvq9tO2HuU X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYxMTEyMDA1MyBTYWx0ZWRfXy88z4xQ/fc3x /MfEyZsAuSfyJsYUgafxbx1uOQf9+lXGQ8PtgL+tJJfIIE/WZcHRrekxs7Ytfog1euhuUsTK2EI DwrlZ/r1/gP1kq/567K6C2uZh5XT5DRDSQ1StVrwYdseB2eMst0OGX4gJRaSzrVfILrOS1E/HlM HZzY+tGg6H/yS7MJ9b1riQ18if24lio2Y2dW/bvdlmGJRA1+vlEq6xQGl+74CKYc402ONKrRKg/ Hvx5dOgwrrf+nGW49hl1QM2/8g3uUH9EeBGtBA009kYgQY16FsRAS/IR/olw9yJeb3hpVsJxfnP 7UxPWzbL7gITMLkD2cu+/BAEiKKMvGzkCEeRI5R32MIdiZ1qDLca/8+eBIKcpxXKTAdnaPpEjHC vlbVycJQ9+s368LMqPIDdLyD/xYjV4Ica85utol9LIBJFathTA0AWWGFBX+NSKDLd3SUeJ3XBFl tWkBi548h3PiAY5vadQ== X-Authority-Analysis: v=2.4 cv=A8b5rKWG c=1 sm=1 tr=0 ts=6af5bff1 cx=c_pps a=JIY1xp/sjQ9K5JH4t62bdg==:117 a=xqWC_Br6kY4A:10 a=IkcTkHD0fZMA:10 a=zJRp6_cAMcgA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=Um2Pa8k9VHT-vaBCBUpS:22 a=EUspDBNiAAAA:8 a=_62txuixjVeDG2zLGvAA:9 a=QEXdDO2ut3YA:10 a=tNoRWFLymzeba-QzToBc:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.138,FMLib:17.12.100.49 definitions=2026-11-12_01,2026-11-11_03,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 malwarescore=0 spamscore=0 clxscore=1015 impostorscore=0 priorityscore=1501 lowpriorityscore=0 bulkscore=0 suspectscore=0 phishscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2611040001 definitions=main-2611120053 Hi Mark, I was about to send a regression bug report for 7.4-rc2 but I first checked the list to see if a fix was already available and I'm happy to report that this fixes things for me: Tested-by: Hans de Goede Also the patch looks good to me: Reviewed-by: Hans de Goede On 12-Nov-26 12:37, Mark Brown wrote: >> Since the conversion to devm_kzalloc_flex(), the allocator sets the >> __counted_by() counter num_components to the allocated length >> (num_cpus + num_codecs + num_platforms). This only happens when the >> compiler supports __builtin_counted_by_ref() (GCC 16 here). With >> older compilers the counter stays zero, as before. > > This doesn't apply against current code, I think this is an issue that > was already fixed. Please check and resend if it's still needed. This applies cleanly on 7.4-rc2 and fixes a regression breaking audio on a lot of different devices there. If some form of this is already in ASoC-next, then that needs to be send to Linux as a fix ASAP. @Kees, have you seen Dennis' remark about the