cifsd: remove redundant assignment to variable err

mainline inclusion
from mainline-5.15-rc1
commit 3161ad3a
category: feature
bugzilla: https://gitee.com/openeuler/kernel/issues/I60T7G
CVE: NA

Reference: https://git.kernel.org/torvalds/linux/c/3161ad3a717e

-------------------------------

The variable err is being initialized with a value that is never read
and it is being updated later with a new value.  The initialization is
redundant and can be removed.

Addresses-Coverity: ("Unused value")
Signed-off-by: NColin Ian King <colin.king@canonical.com>
Signed-off-by: NNamjae Jeon <namjae.jeon@samsung.com>
Signed-off-by: NSteve French <stfrench@microsoft.com>
Signed-off-by: NJason Yan <yanaijie@huawei.com>
Signed-off-by: NZhong Jinghua <zhongjinghua@huawei.com>

fs/cifsd/vfs.c

@@ -587,7 +587,7 @@ int ksmbd_vfs_remove_file(struct ksmbd_work *work, char *name)
 	struct path parent;
 	struct dentry *dir, *dentry;
 	char *last;
-	int err = -ENOENT;
+	int err;
 
 	last = extract_last_component(name);
 	if (!last)