hfi1: get rid of pointless access_ok() (fd8ec4dd) · Commits · 戴 / test

drivers/infiniband/hw/hfi1/user_exp_rcv.c

+0 −7

Original line number	Diff line number	Diff line
		@@ -206,13 +206,6 @@ static int pin_rcv_pages(struct hfi1_filedata fd, struct tid_user_buf tidbuf)
		return -EINVAL;
		}

		/* Verify that access is OK for the user buffer */
		if (!access_ok((void __user *)vaddr,
		npages * PAGE_SIZE)) {
		dd_dev_err(dd, "Fail vaddr %p, %u pages, !access_ok\n",
		(void *)vaddr, npages);
		return -EFAULT;
		}
		/* Allocate the array of struct page pointers needed for pinning */
		pages = kcalloc(npages, sizeof(*pages), GFP_KERNEL);
		if (!pages)