From: lanshh <lsh@rock-chips.com>
Date: Mon, 14 Nov 2016 01:50:57 +0000 (+0800)
Subject: hid: rkvr: fix inconsistent returns in inv_hid_register_devcie()
X-Git-Tag: firefly_0821_release~1274
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=1ab12e3f7ce0835a8f9b94e15f4972fbfedb1953;p=firefly-linux-kernel-4.4.55.git

hid: rkvr: fix inconsistent returns in inv_hid_register_devcie()

Change-Id: Ida0a3dff53c9e47dc04b0111ea56500d1adcbb3c
Signed-off-by: lanshh <lsh@rock-chips.com>
---

diff --git a/drivers/hid/hid-rkvr.c b/drivers/hid/hid-rkvr.c
index 4360c28dd729..0bdafb380a5f 100644
--- a/drivers/hid/hid-rkvr.c
+++ b/drivers/hid/hid-rkvr.c
@@ -142,6 +142,7 @@ static int inv_hid_register_devcie(struct rkvr_iio_hw_device *hw_device)
 		list_for_each_entry(p, &rkvr_hid_hw_device_list, l) {
 			if (!strcmp(hw_device->name, p->name)) {
 				pr_err("%s already exist ,abort\n", hw_device->name);
+				mutex_unlock(&device_list_lock);
 				return -1;
 			}
 		}