linux-kernel - [PATCH 2/4] mailbox: mailbox-test: Remove unused variable

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Date:	Thu, 14 Jan 2016 07:11:27 +0000
From:	Lee Jones <lee.jones@...aro.org>
To:	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Cc:	kernel@...inux.com, maxime.coquelin@...com,
	jassisinghbrar@...il.com, dan.carpenter@...cle.com,
	seraphin.bonnaffe@...com, Lee Jones <lee.jones@...aro.org>
Subject: [PATCH 2/4] mailbox: mailbox-test: Remove unused variable

Even before it was unused, it always returned zero anyway.

Reported-by: Dan Carpenter <dan.carpenter@...cle.com>
Signed-off-by: Lee Jones <lee.jones@...aro.org>
---
 drivers/mailbox/mailbox-test.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/mailbox/mailbox-test.c b/drivers/mailbox/mailbox-test.c
index 7d9b915..e370aa6 100644
--- a/drivers/mailbox/mailbox-test.c
+++ b/drivers/mailbox/mailbox-test.c
@@ -45,7 +45,6 @@ static ssize_t mbox_test_signal_write(struct file *filp,
 				       size_t count, loff_t *ppos)
 {
 	struct mbox_test_device *tdev = filp->private_data;
-	int ret;
 
 	if (!tdev->tx_channel) {
 		dev_err(tdev->dev, "Channel cannot do Tx\n");
@@ -69,7 +68,7 @@ static ssize_t mbox_test_signal_write(struct file *filp,
 		return -EFAULT;
 	}
 
-	return ret < 0 ? ret : count;
+	return count;
 }
 
 static const struct file_operations mbox_test_signal_ops = {
-- 
1.9.1