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List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird To: Thomas Fourier , linux-fbdev@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, Alexey Charkov , Helge Deller , Krzysztof Kozlowski Cc: stable@vger.kernel.org, LKML References: <20260112140031.63594-2-fourier.thomas@gmail.com> Subject: Re: [PATCH] fbdev: vt8500lcdfb: fix missing dma_free_coherent() Content-Language: en-GB, de-DE From: Markus Elfring In-Reply-To: <20260112140031.63594-2-fourier.thomas@gmail.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-Provags-ID: V03:K1:Shb2M78DrD2g1TfnTywKZORPLW09S1hkc4jdIdfzicgt50u2r6R z9qbaRHP2ci7avAl8Di2N3QsKCaSAVGoz3cirybCMvFMIPJHKYrn7fLgFUdmmYxYcg/lDZN M9cnaSbL4+VMkqMJpqGB6BvJsbQet0xTV/dILP1mNRdlj/FuFWNlx7sl1IR4dYO5Hn7MmFQ I8K6fC/6D8xXvsATAxe2A== X-Spam-Flag: NO UI-OutboundReport: notjunk:1;M01:P0:sAjdl+rkN2s=;nB+ui51iYZXP6FmQEUJFgnSQH2U 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iOhqbDvrpAh8nczGQn2EoPxJVupTXfJHTIk9HfT1/qu+oUYoyGTUqhTER/XePfXWg5NyQ+EoS FwjOj1oD5HWHQljCFULZWUxwkxxIWjVY2mLaQajdkWuNmFik0s75dkdfiW3GpbiNhap9gBqUY zgHIpC0yzYrjDdO8CERFEh8LFXuG72nHUHg+zqpUmzwHYRX1WMGjLqPg++rwmTmdE53XULN3c NUx7gkU9wemuf1+FYTL0nMsmj/qxdv3OTG6VYmWoNUpLJ+RGKBJmDDfx3HzvbKM1rGrBySNDk SebGBsudjV8+krUwemX1v6OkN9q3u4+w7vOFW+WA2ia4ouJCiu2N02mgPnjQwcuHa+5fNTSf0 VcxSC423QKPGoPtQvyrR+3szzS6U4OhkOn3LhV6r7YszZK12Ap9tmxjvHTsr/A8wVUYQ+maix thJ0ElIfQDqA4IUFo= > fbi->fb.screen_buffer is alloced with dma_free_coherent() but is not allocated with a dma_alloc_coherent() call? https://elixir.bootlin.com/linux/v6.19-rc4/source/drivers/video/fbdev/vt85= 00lcdfb.c#L352-L362 > freed if the error path is reached. See also once more: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Do= cumentation/process/submitting-patches.rst?h=3Dv6.19-rc4#n94 You should probably not only specify message recipients in the header fiel= d =E2=80=9CCc=E2=80=9D. Regards, Markus