From: Amol Lad <amol@verismonetworks.com>
Date: Fri, 8 Dec 2006 10:40:02 +0000 (-0800)
Subject: [PATCH] ioremap balanced with iounmap for drivers/video/vesafb
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=b88a57cc645c59a3652f391f8069b15d42ac0762;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git

[PATCH] ioremap balanced with iounmap for drivers/video/vesafb

ioremap must be balanced by an iounmap and failing to do so can result in a
memory leak.

Signed-off-by: Amol Lad <amol@verismonetworks.com>
Cc: "Antonino A. Daplas" <adaplas@pol.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---

diff --git a/drivers/video/vesafb.c b/drivers/video/vesafb.c
index 2196448396ec..638ee3745401 100644
--- a/drivers/video/vesafb.c
+++ b/drivers/video/vesafb.c
@@ -456,6 +456,8 @@ static int __init vesafb_probe(struct platform_device *dev)
 	       info->node, info->fix.id);
 	return 0;
 err:
+	if (info->screen_base)
+		iounmap(info->screen_base);
 	framebuffer_release(info);
 	release_mem_region(vesafb_fix.smem_start, size_total);
 	return err;