From: Amol Lad <amol@verismonetworks.com>
Date: Sun, 1 Oct 2006 06:29:21 +0000 (-0700)
Subject: [PATCH] ioremap balanced with iounmap for drivers/serial/8250_gsc.c
X-Git-Tag: v2.6.19-rc1~512
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d9964d5c9067fe58fecb7ba10b2de4771d2005d9;p=linux-2.6

[PATCH] ioremap balanced with iounmap for drivers/serial/8250_gsc.c

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: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---

diff --git a/drivers/serial/8250_gsc.c b/drivers/serial/8250_gsc.c
index 913c71cc05..1ebe6b585d 100644
--- a/drivers/serial/8250_gsc.c
+++ b/drivers/serial/8250_gsc.c
@@ -64,6 +64,7 @@ serial_init_chip(struct parisc_device *dev)
 	err = serial8250_register_port(&port);
 	if (err < 0) {
 		printk(KERN_WARNING "serial8250_register_port returned error %d\n", err);
+		iounmap(port.membase);
 		return err;
 	}