From e58a0f89b25a2299374176d5c37aa89b326681e6 Mon Sep 17 00:00:00 2001
From: Jonghwan Choi <jhbird.choi@samsung.com>
Date: Mon, 31 Oct 2011 17:11:09 -0700
Subject: driver/misc/fsa9480.c fix potential null-pointer dereference

Signed-off-by: Jonghwan Choi <jhbird.choi@samsung.com>
Cc: Donggeun Kim <dg77.kim@samsung.com>
Cc: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/drivers/misc/fsa9480.c b/drivers/misc/fsa9480.c
index 27dc0d2..f6586d5 100644
--- a/drivers/misc/fsa9480.c
+++ b/drivers/misc/fsa9480.c
@@ -400,7 +400,8 @@ static int fsa9480_irq_init(struct fsa9480_usbsw *usbsw)
 			return ret;
 		}
 
-		device_init_wakeup(&client->dev, pdata->wakeup);
+		if (pdata)
+			device_init_wakeup(&client->dev, pdata->wakeup);
 	}
 
 	return 0;
-- 
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