From: Amol Lad <amol@verismonetworks.com>
Date: Fri, 8 Dec 2006 10:40:12 +0000 (-0800)
Subject: [PATCH] ioremap balanced with iounmap for drivers/video/cyberfb
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=d02abed8aa6bd37abcd802de64a63ed2af5e18ff;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git

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

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/cyberfb.c b/drivers/video/cyberfb.c
index c40e72dafb0e..bc1cc44b1e3f 100644
--- a/drivers/video/cyberfb.c
+++ b/drivers/video/cyberfb.c
@@ -1055,6 +1055,8 @@ int __init cyberfb_init(void)
 
 	    if (register_framebuffer(&fb_info) < 0) {
 		    DPRINTK("EXIT - register_framebuffer failed\n");
+			if (CyberBase)
+				iounmap(CyberBase);
 		    release_mem_region(CyberMem_phys, 0x400000);
 		    release_mem_region(CyberRegs_phys, 0x10000);
 		    return -EINVAL;