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 7eb6733..4d3bed4 100644 (file)
--- 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: