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[128.93.83.215]) by smtp.googlemail.com with ESMTPSA id ffacd0b85a97d-432bd5dfa07sm38643537f8f.25.2026.01.12.06.04.26 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 12 Jan 2026 06:04:26 -0800 (PST) From: Thomas Fourier To: Cc: Thomas Fourier , stable@vger.kernel.org, Alexey Charkov , Krzysztof Kozlowski , Helge Deller , Tony Prisk , linux-arm-kernel@lists.infradead.org, linux-fbdev@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org Subject: [PATCH] fbdev: vt8500lcdfb: fix missing dma_free_coherent() Date: Mon, 12 Jan 2026 15:00:27 +0100 Message-ID: <20260112140031.63594-2-fourier.thomas@gmail.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" fbi->fb.screen_buffer is alloced with dma_free_coherent() but is not freed if the error path is reached. Fixes: e7b995371fe1 ("video: vt8500: Add devicetree support for vt8500-fb a= nd wm8505-fb") Cc: Signed-off-by: Thomas Fourier --- drivers/video/fbdev/vt8500lcdfb.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/video/fbdev/vt8500lcdfb.c b/drivers/video/fbdev/vt8500= lcdfb.c index b08a6fdc53fd..85c7a99a7d64 100644 --- a/drivers/video/fbdev/vt8500lcdfb.c +++ b/drivers/video/fbdev/vt8500lcdfb.c @@ -369,7 +369,7 @@ static int vt8500lcd_probe(struct platform_device *pdev) if (fbi->palette_cpu =3D=3D NULL) { dev_err(&pdev->dev, "Failed to allocate palette buffer\n"); ret =3D -ENOMEM; - goto failed_free_io; + goto failed_free_mem_virt; } =20 irq =3D platform_get_irq(pdev, 0); @@ -432,6 +432,9 @@ static int vt8500lcd_probe(struct platform_device *pdev) failed_free_palette: dma_free_coherent(&pdev->dev, fbi->palette_size, fbi->palette_cpu, fbi->palette_phys); +failed_free_mem_virt: + dma_free_coherent(&pdev->dev, fbi->fb.fix.smem_len, + fbi->fb.screen_buffer, fbi->fb.fix.smem_start); failed_free_io: iounmap(fbi->regbase); failed_free_res: --=20 2.43.0