From: Amol Lad <amol@verismonetworks.com>
Date: Fri, 8 Dec 2006 10:40:10 +0000 (-0800)
Subject: [PATCH] ioremap balanced with iounmap for drivers/video/hpfb
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=1bedb0b2f60dd858fd12e5dd5681fa5da55175f5;p=GitHub%2Fmt8127%2Fandroid_kernel_alcatel_ttab.git

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

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>
Cc: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---

diff --git a/drivers/video/hpfb.c b/drivers/video/hpfb.c
index 91cf3b577d15..9ab9b839a0f5 100644
--- a/drivers/video/hpfb.c
+++ b/drivers/video/hpfb.c
@@ -295,6 +295,8 @@ static int __init hpfb_init_one(unsigned long phys_base, unsigned long virt_base
 
 	if (register_framebuffer(&fb_info) < 0) {
 		fb_dealloc_cmap(&fb_info.cmap);
+		iounmap(fb_info.screen_base);
+		fb_info.screen_base = NULL;
 		return 1;
 	}