staging: kpc2000: remove unused function kp2000_cdev_write

There is no callers in tree, so can be removed.

Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/kpc2000/kpc2000/fileops.c b/drivers/staging/kpc2000/kpc2000/fileops.c
index b3b0b763fa1ef7baeae8690761b775cbf2a205d0..f8774d8f69b8c5ef1cf0725b26cdfa62394ed3e5 100644 (file)
--- a/drivers/staging/kpc2000/kpc2000/fileops.c
+++ b/drivers/staging/kpc2000/kpc2000/fileops.c
@@ -74,11 +74,6 @@ ssize_t  kp2000_cdev_read(struct file *filp, char __user *buf, size_t count, lof
        return count;
 }
 
-ssize_t  kp2000_cdev_write(struct file *filp, const char __user *buf, size_t count, loff_t *f_pos)
-{
-       return -EINVAL;
-}
-
 long  kp2000_cdev_ioctl(struct file *filp, unsigned int ioctl_num, unsigned long ioctl_param)
 {
        struct kp2000_device *pcard = filp->private_data;
@@ -122,9 +117,6 @@ struct file_operations  kp2000_fops = {
        .open       = kp2000_cdev_open,
        .release    = kp2000_cdev_close,
        .read       = kp2000_cdev_read,
-       //.write      = kp2000_cdev_write,
-       //.poll       = kp2000_cdev_poll,
-       //.fasync     = kp2000_cdev_fasync,
        .llseek     = noop_llseek,
        .unlocked_ioctl = kp2000_cdev_ioctl,
 };