From: David Herrmann <dh.herrmann@googlemail.com>
Date: Tue, 20 Sep 2011 16:16:12 +0000 (-0700)
Subject: Platform: Fix error path in samsung-laptop init
X-Git-Tag: firefly_0821_release~3680^2~4255^2~42
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=a7ea19926ffba86f373f6050a106cd162dbb9a78;p=firefly-linux-kernel-4.4.55.git

Platform: Fix error path in samsung-laptop init

samsung_init() should not return success if not all devices are initialized.
Otherwise, samsung_exit() will dereference sdev NULL pointers and others.

Signed-off-by: David Herrmann <dh.herrmann@googlemail.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
---

diff --git a/drivers/platform/x86/samsung-laptop.c b/drivers/platform/x86/samsung-laptop.c
index 7eb6733138e6..4d3bed476d52 100644
--- a/drivers/platform/x86/samsung-laptop.c
+++ b/drivers/platform/x86/samsung-laptop.c
@@ -781,7 +781,7 @@ static int __init samsung_init(void)
 	sabi_iface = ioremap_nocache(ifaceP, 16);
 	if (!sabi_iface) {
 		pr_err("Can't remap %x\n", ifaceP);
-		goto exit;
+		goto error_no_signature;
 	}
 	if (debug) {
 		printk(KERN_DEBUG "ifaceP = 0x%08x\n", ifaceP);
@@ -833,7 +833,6 @@ static int __init samsung_init(void)
 	if (retval)
 		goto error_file_create;
 
-exit:
 	return 0;
 
 error_file_create: