From: Jaikumar Ganesh <jaikumarg@android.com>
Date: Thu, 22 Sep 2011 00:18:56 +0000 (-0700)
Subject: HID: Add null check for hidinput.
X-Git-Tag: firefly_0821_release~7613^2~291
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=6c6f91c5330263a0be0ad99a84755c342b395d49;p=firefly-linux-kernel-4.4.55.git

HID: Add null check for hidinput.

Add null check for hidinput before calling input_register.

Change-Id: Ib3fc0507e4091192360f3395d13d489db9b5a4d2
Signed-off-by: Jaikumar Ganesh <jaikumarg@android.com>
---

diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c
index 1b71bcd7ba21..1483c8296d57 100644
--- a/drivers/hid/hid-input.c
+++ b/drivers/hid/hid-input.c
@@ -981,7 +981,7 @@ int hidinput_connect(struct hid_device *hid, unsigned int force)
 		}
 	}
 
-	if (hid->driver->input_register &&
+	if (hidinput && hid->driver->input_register &&
 			hid->driver->input_register(hid, hidinput))
 		goto out_cleanup;