linux-kernel - [PATCH] media: omap3isp: Fix memleak in isp

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [day] [month] [year] [list]

Message-Id: <20200824065353.4385-1-dinghao.liu@zju.edu.cn>
Date:   Mon, 24 Aug 2020 14:53:52 +0800
From:   Dinghao Liu <dinghao.liu@....edu.cn>
To:     dinghao.liu@....edu.cn, kjlu@....edu
Cc:     Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Sakari Ailus <sakari.ailus@...ux.intel.com>,
        Tony Lindgren <tony@...mide.com>, linux-media@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH] media: omap3isp: Fix memleak in isp_probe

When devm_ioremap_resource() fails, isp should be
freed just like other error paths in isp_probe.

Fixes: 8644cdf972dd6 ("[media] omap3isp: Replace many MMIO regions by two")
Signed-off-by: Dinghao Liu <dinghao.liu@....edu.cn>
---
 drivers/media/platform/omap3isp/isp.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/media/platform/omap3isp/isp.c b/drivers/media/platform/omap3isp/isp.c
index b91e472ee764..de066757726d 100644
--- a/drivers/media/platform/omap3isp/isp.c
+++ b/drivers/media/platform/omap3isp/isp.c
@@ -2328,8 +2328,10 @@ static int isp_probe(struct platform_device *pdev)
 		mem = platform_get_resource(pdev, IORESOURCE_MEM, i);
 		isp->mmio_base[map_idx] =
 			devm_ioremap_resource(isp->dev, mem);
-		if (IS_ERR(isp->mmio_base[map_idx]))
-			return PTR_ERR(isp->mmio_base[map_idx]);
+		if (IS_ERR(isp->mmio_base[map_idx])) {
+			ret = PTR_ERR(isp->mmio_base[map_idx]);
+			goto error;
+		}
 	}
 
 	ret = isp_get_clocks(isp);
-- 
2.17.1