linux-kernel - [PATCH v2 2/2] ALSA: core: Remove redundant 'err' variable

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Date:   Mon, 28 Feb 2022 11:06:14 +0800
From:   Meng Tang <tangmeng@...ontech.com>
To:     perex@...ex.cz, tiwai@...e.com
Cc:     alsa-devel@...a-project.org, linux-kernel@...r.kernel.org,
        Meng Tang <tangmeng@...ontech.com>
Subject: [PATCH v2 2/2] ALSA: core: Remove redundant 'err' variable

Return the result from file->f_op->open() directly instead of
taking this in another redundant variable.

Signed-off-by: Meng Tang <tangmeng@...ontech.com>
---
 sound/sound_core.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/sound/sound_core.c b/sound/sound_core.c
index aa4a57e488e5..3ac679ea31c7 100644
--- a/sound/sound_core.c
+++ b/sound/sound_core.c
@@ -582,13 +582,12 @@ static int soundcore_open(struct inode *inode, struct file *file)
 		 * We rely upon the fact that we can't be unloaded while the
 		 * subdriver is there.
 		 */
-		int err = 0;
 		replace_fops(file, new_fops);
 
 		if (file->f_op->open)
-			err = file->f_op->open(inode,file);
+			return file->f_op->open(inode, file);
 
-		return err;
+		return 0;
 	}
 	return -ENODEV;
 }
-- 
2.20.1