cxlflash: get rid of pointless access_ok()
authorAl Viro <viro@zeniv.linux.org.uk>
Fri, 29 Sep 2017 17:58:09 +0000 (13:58 -0400)
committerAl Viro <viro@zeniv.linux.org.uk>
Tue, 17 Oct 2017 05:25:17 +0000 (01:25 -0400)
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
drivers/scsi/cxlflash/main.c

index 76b8b7eed0c03ba160275d0b7ac200d3a67c1ab7..39430c67b522c73c5527199140989af23c1ecc2b 100644 (file)
@@ -3383,12 +3383,6 @@ static int cxlflash_afu_debug(struct cxlflash_cfg *cfg,
                        goto out;
                }
 
-               if (unlikely(!access_ok(is_write ? VERIFY_READ : VERIFY_WRITE,
-                                       ubuf, ulen))) {
-                       rc = -EFAULT;
-                       goto out;
-               }
-
                buf = kmalloc(ulen + cache_line_size() - 1, GFP_KERNEL);
                if (unlikely(!buf)) {
                        rc = -ENOMEM;