From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Thu, 17 Nov 2016 01:23:22 +0000 (-0800)
Subject: Input: synaptics-rmi4 - unlock on error
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=447433e5f804b1a73beb9b1051b9f847541442f0;p=linux-beck.git

Input: synaptics-rmi4 - unlock on error

commit 792f497b22afd0563b94dd8fa129a05f762a2c25 upstream.

We should unlock before returning on this error path.

Fixes: 3a762dbd5347 ('[media] Input: synaptics-rmi4 - add support for F54 diagnostics')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/input/rmi4/rmi_f54.c b/drivers/input/rmi4/rmi_f54.c
index cf805b960866..2e934aef3d2a 100644
--- a/drivers/input/rmi4/rmi_f54.c
+++ b/drivers/input/rmi4/rmi_f54.c
@@ -200,7 +200,7 @@ static int rmi_f54_request_report(struct rmi_function *fn, u8 report_type)
 
 	error = rmi_write(rmi_dev, fn->fd.command_base_addr, F54_GET_REPORT);
 	if (error < 0)
-		return error;
+		goto unlock;
 
 	init_completion(&f54->cmd_done);
 
@@ -209,9 +209,10 @@ static int rmi_f54_request_report(struct rmi_function *fn, u8 report_type)
 
 	queue_delayed_work(f54->workqueue, &f54->work, 0);
 
+unlock:
 	mutex_unlock(&f54->data_mutex);
 
-	return 0;
+	return error;
 }
 
 static size_t rmi_f54_get_report_size(struct f54_data *f54)