ksmbd: initialize variables on the declaration

Initialize variables on the declaration.
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Namjae Jeon <namjae.jeon@samsung.com>
Signed-off-by: Steve French <stfrench@microsoft.com>

fs/cifsd/vfs.c

@@ -355,14 +355,11 @@ static int check_lock_range(struct file *filp, loff_t start, loff_t end,
 int ksmbd_vfs_read(struct ksmbd_work *work, struct ksmbd_file *fp, size_t count,
 		   loff_t *pos)
 {
-	struct file *filp;
+	struct file *filp = fp->filp;
 	ssize_t nbytes = 0;
-	char *rbuf;
-	struct inode *inode;
+	char *rbuf = work->aux_payload_buf;
+	struct inode *inode = file_inode(filp);
 
-	rbuf = work->aux_payload_buf;
-	filp = fp->filp;
-	inode = file_inode(filp);
 	if (S_ISDIR(inode->i_mode))
 		return -EISDIR;