[PATCH] nvme-fabrics: fix returnvar.cocci warnings

From: kernel test robot <lkp@intel.com>
To: Hannes Reinecke <hare@suse.de>
Cc: kbuild-all@lists.01.org, linux-kernel@vger.kernel.org,
	Christoph Hellwig <hch@lst.de>,
	Chaitanya Kulkarni <kch@nvidia.com>,
	Keith Busch <kbusch@kernel.org>, Jens Axboe <axboe@kernel.dk>,
	Sagi Grimberg <sagi@grimberg.me>,
	linux-nvme@lists.infradead.org
Subject: [PATCH] nvme-fabrics: fix returnvar.cocci warnings
Date: Sat, 22 Jan 2022 11:17:37 +0800	[thread overview]
Message-ID: <20220122031737.GA31599@fba2a898af35> (raw)
In-Reply-To: <202201221116.hWZkKqts-lkp@intel.com>

From: kernel test robot <lkp@intel.com>

drivers/nvme/host/fabrics.c:1095:5-8: Unneeded variable: "ret". Return "0" on line 1109


 Remove unneeded variable used to store return value.

Generated by: scripts/coccinelle/misc/returnvar.cocci

Fixes: f18ee3d98815 ("nvme-fabrics: print out valid arguments when reading from /dev/nvme-fabrics")
CC: Hannes Reinecke <hare@suse.de>
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: kernel test robot <lkp@intel.com>
---

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   9b57f458985742bd1c585f4c7f36d04634ce1143
commit: f18ee3d988157ebcadc9b7e5fd34811938f50223 nvme-fabrics: print out valid arguments when reading from /dev/nvme-fabrics
:::::: branch date: 13 hours ago
:::::: commit date: 4 weeks ago

 fabrics.c |    3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

--- a/drivers/nvme/host/fabrics.c
+++ b/drivers/nvme/host/fabrics.c
@@ -1092,7 +1092,6 @@ static void __nvmf_concat_opt_tokens(str
 static int nvmf_dev_show(struct seq_file *seq_file, void *private)
 {
 	struct nvme_ctrl *ctrl;
-	int ret = 0;
 
 	mutex_lock(&nvmf_dev_mutex);
 	ctrl = seq_file->private;
@@ -1106,7 +1105,7 @@ static int nvmf_dev_show(struct seq_file
 
 out_unlock:
 	mutex_unlock(&nvmf_dev_mutex);
-	return ret;
+	return 0;
 }
 
 static int nvmf_dev_open(struct inode *inode, struct file *file)
