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Tue, 03 Feb 2026 04:15:05 -0800 (PST) Received: from junjungu-PC.localdomain ([2408:820c:9008:ba52:f091:7dff:927e:f788]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2a88b4c3db4sm183413415ad.50.2026.02.03.04.15.02 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 03 Feb 2026 04:15:05 -0800 (PST) From: Felix Gu Date: Tue, 03 Feb 2026 20:14:58 +0800 Subject: [PATCH] fbdev: au1200fb: Fix a memory leak in au1200fb_drv_probe() Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20260203-au1200fb-v1-1-7889c4061337@gmail.com> X-B4-Tracking: v=1; b=H4sIAMHmgWkC/6tWKk4tykwtVrJSqFYqSi3LLM7MzwNyDHUUlJIzE vPSU3UzU4B8JSMDIzMDIwNj3cRSQyMDg7QkXXNzMyMTE6OkZLM0AyWg8oKi1LTMCrBR0bG1tQC ZhAwuWgAAAA== X-Change-ID: 20260203-au1200fb-7762442bc6f0 To: Helge Deller , Zhang Shurong Cc: linux-fbdev@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, Felix Gu X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=ed25519-sha256; t=1770120902; l=1120; i=ustc.gu@gmail.com; h=from:subject:message-id; bh=Z9DoncZRp1hGTgs52zuEEOEhMYNvMiELdJSmhQoVOuU=; b=STbOjk+2U9pG24k+N3Z0e3r2giORI4ny9g7q6UZRZr1BYvAHqq9qT9OEGEdSXbyMrbpFP9jfH +TC2o9HFL5GBnTkn5B1TXGOv1owwlmXHOxLzhZSEXFi4/PCiqhPggma X-Developer-Key: i=ustc.gu@gmail.com; a=ed25519; pk=fjUXwmjchVN7Ja6KGP55IXOzFeCl9edaHoQIEUA+/hw= In au1200fb_drv_probe(), when platform_get_irq fails(), it directly returns from the function with an error code, which causes a memory leak. Replace it with a goto label to ensure proper cleanup. Fixes: 4e88761f5f8c ("fbdev: au1200fb: Fix missing IRQ check in au1200fb_dr= v_probe") Signed-off-by: Felix Gu --- drivers/video/fbdev/au1200fb.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/video/fbdev/au1200fb.c b/drivers/video/fbdev/au1200fb.c index ed770222660b..685e629e7e16 100644 --- a/drivers/video/fbdev/au1200fb.c +++ b/drivers/video/fbdev/au1200fb.c @@ -1724,8 +1724,10 @@ static int au1200fb_drv_probe(struct platform_device= *dev) =20 /* Now hook interrupt too */ irq =3D platform_get_irq(dev, 0); - if (irq < 0) - return irq; + if (irq < 0) { + ret =3D irq; + goto failed; + } =20 ret =3D request_irq(irq, au1200fb_handle_irq, IRQF_SHARED, "lcd", (void *)dev); --- base-commit: 193579fe01389bc21aff0051d13f24e8ea95b47d change-id: 20260203-au1200fb-7762442bc6f0 Best regards, --=20 Felix Gu