[PATCH -next] staging: kpc2000: remove unused function kp2000_cdev_write

From: YueHaibing
Date: Sun May 12 2019 - 03:24:52 EST


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

Reported-by: Hulk Robot <hulkci@xxxxxxxxxx>
Signed-off-by: YueHaibing <yuehaibing@xxxxxxxxxx>
---
drivers/staging/kpc2000/kpc2000/fileops.c | 8 --------
1 file changed, 8 deletions(-)

diff --git a/drivers/staging/kpc2000/kpc2000/fileops.c b/drivers/staging/kpc2000/kpc2000/fileops.c
index b3b0b763fa1e..f8774d8f69b8 100644
--- 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,
};
--
2.20.1