This patch does away with the cast on void * as it is unnecessary.
Semantic patch used is as follows:
@r@
expression x;
void* e;
type T;
identifier f;
@@
(
*((T *)e)
|
((T *)x)[...]
|
((T *)x)->f
|
- (T *)
e
)
Signed-off-by: Shraddha Barke <shraddha.6596@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
hdr = (struct libcfs_ioctl_hdr *)buf;
data = (struct libcfs_ioctl_data *)buf;
- if (copy_from_user(buf, (void *)arg, sizeof(*hdr)))
+ if (copy_from_user(buf, arg, sizeof(*hdr)))
return -EFAULT;
if (hdr->ioc_version != LIBCFS_IOCTL_VERSION) {
}
orig_len = hdr->ioc_len;
- if (copy_from_user(buf, (void *)arg, hdr->ioc_len))
+ if (copy_from_user(buf, arg, hdr->ioc_len))
return -EFAULT;
if (orig_len != data->ioc_len)
return -EINVAL;