From: Zheng Yongjun <zhengyongjun3@huawei.com>
Date: Sat, 19 Nov 2022 07:33:07 +0000 (+0000)
Subject: mtd: maps: pxa2xx-flash: fix memory leak in probe
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=f35981083cb3fc1ba6427c1543152c5e3f59d104;p=linux.git

mtd: maps: pxa2xx-flash: fix memory leak in probe

[ Upstream commit 2399401feee27c639addc5b7e6ba519d3ca341bf ]

Free 'info' upon remapping error to avoid a memory leak.

Fixes: e644f7d62894 ("[MTD] MAPS: Merge Lubbock and Mainstone drivers into common PXA2xx driver")
Signed-off-by: Zheng Yongjun <zhengyongjun3@huawei.com>
[<miquel.raynal@bootlin.com>: Reword the commit log]
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20221119073307.22929-1-zhengyongjun3@huawei.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
---

diff --git a/drivers/mtd/maps/pxa2xx-flash.c b/drivers/mtd/maps/pxa2xx-flash.c
index 7d96758a8f04e..6e5e557559704 100644
--- a/drivers/mtd/maps/pxa2xx-flash.c
+++ b/drivers/mtd/maps/pxa2xx-flash.c
@@ -66,6 +66,7 @@ static int pxa2xx_flash_probe(struct platform_device *pdev)
 	if (!info->map.virt) {
 		printk(KERN_WARNING "Failed to ioremap %s\n",
 		       info->map.name);
+		kfree(info);
 		return -ENOMEM;
 	}
 	info->map.cached = ioremap_cache(info->map.phys, info->map.size);
@@ -87,6 +88,7 @@ static int pxa2xx_flash_probe(struct platform_device *pdev)
 		iounmap((void *)info->map.virt);
 		if (info->map.cached)
 			iounmap(info->map.cached);
+		kfree(info);
 		return -EIO;
 	}
 	info->mtd->dev.parent = &pdev->dev;