linux-kernel - [PATCH 5/6] slimbus: Fix missing unlock on error in slim_msg

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Message-Id: <20180102175424.14391-6-srinivas.kandagatla@linaro.org>
Date:   Tue,  2 Jan 2018 17:54:23 +0000
From:   srinivas.kandagatla@...aro.org
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     sdharia@...eaurora.org, linux-arm-msm@...r.kernel.org,
        alsa-devel@...a-project.org, linux-kernel@...r.kernel.org,
        Wei Yongjun <weiyongjun1@...wei.com>,
        Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
Subject: [PATCH 5/6] slimbus: Fix missing unlock on error in slim_msg_response()

From: Wei Yongjun <weiyongjun1@...wei.com>

Add the missing unlock before return from function slim_msg_response()
in the error handling case.

Signed-off-by: Wei Yongjun <weiyongjun1@...wei.com>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
---
 drivers/slimbus/messaging.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/slimbus/messaging.c b/drivers/slimbus/messaging.c
index a9a6dc4af0da..884419c37e84 100644
--- a/drivers/slimbus/messaging.c
+++ b/drivers/slimbus/messaging.c
@@ -38,6 +38,7 @@ void slim_msg_response(struct slim_controller *ctrl, u8 *reply, u8 tid, u8 len)
 	if (msg == NULL || msg->rbuf == NULL) {
 		dev_err(ctrl->dev, "Got response to invalid TID:%d, len:%d\n",
 				tid, len);
+		spin_unlock_irqrestore(&ctrl->txn_lock, flags);
 		return;
 	}
 
-- 
2.15.0