linux-kernel - [PATCH] drivers/applicom:Remove redundant ret variable in ac

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Message-Id: <20241008074818.13335-1-zhujun2@cmss.chinamobile.com>
Date: Tue,  8 Oct 2024 00:48:18 -0700
From: Zhu Jun <zhujun2@...s.chinamobile.com>
To: arnd@...db.de
Cc: gregkh@...uxfoundation.org,
	zhujun2@...s.chinamobile.com,
	linux-kernel@...r.kernel.org
Subject: [PATCH] drivers/applicom:Remove redundant ret variable in ac_read function

Removed the unused variable 'ret' from the ac_read function

Signed-off-by: Zhu Jun <zhujun2@...s.chinamobile.com>
---
 drivers/char/applicom.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/char/applicom.c b/drivers/char/applicom.c
index ea25caf35346..ba512d8dffba 100644
--- a/drivers/char/applicom.c
+++ b/drivers/char/applicom.c
@@ -536,7 +536,6 @@ static ssize_t ac_read (struct file *filp, char __user *buf, size_t count, loff_
 	unsigned long flags;
 	unsigned int i;
 	unsigned char tmp;
-	int ret = 0;
 	DECLARE_WAITQUEUE(wait, current);
 #ifdef DEBUG
 	int loopcount=0;
@@ -567,7 +566,7 @@ static ssize_t ac_read (struct file *filp, char __user *buf, size_t count, loff_
 
 				/* Got a packet for us */
 				memset(&st_loc, 0, sizeof(st_loc));
-				ret = do_ac_read(i, buf, &st_loc, &mailbox);
+				do_ac_read(i, buf, &st_loc, &mailbox);
 				spin_unlock_irqrestore(&apbs[i].mutex, flags);
 				set_current_state(TASK_RUNNING);
 				remove_wait_queue(&FlagSleepRec, &wait);
-- 
2.17.1