#define DATALEN_MSG (PAGE_SIZE-sizeof(struct msg_msg))
#define DATALEN_SEG (PAGE_SIZE-sizeof(struct msg_msgseg))
-struct msg_msg *load_msg(void __user *src, int len)
+struct msg_msg *load_msg(const void __user *src, int len)
{
struct msg_msg *msg;
struct msg_msgseg **pseg;
}
len -= alen;
- src = ((char *)src) + alen;
+ src = ((char __user *)src) + alen;
pseg = &msg->next;
while (len > 0) {
struct msg_msgseg *seg;
}
pseg = &seg->next;
len -= alen;
- src = ((char *)src) + alen;
+ src = ((char __user *)src) + alen;
}
err = security_msg_msg_alloc(msg);
return -1;
len -= alen;
- dest = ((char *)dest) + alen;
+ dest = ((char __user *)dest) + alen;
seg = msg->next;
while (len > 0) {
alen = len;
if (copy_to_user(dest, seg + 1, alen))
return -1;
len -= alen;
- dest = ((char *)dest) + alen;
+ dest = ((char __user *)dest) + alen;
seg = seg->next;
}
return 0;