From: Al Viro <viro@zeniv.linux.org.uk>
Date: Fri, 29 Sep 2017 17:58:09 +0000 (-0400)
Subject: cxlflash: get rid of pointless access_ok()
X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=a0dbef33863349de5313dff62982d309ded98190;p=openwrt%2Fstaging%2Fblogic.git

cxlflash: get rid of pointless access_ok()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---

diff --git a/drivers/scsi/cxlflash/main.c b/drivers/scsi/cxlflash/main.c
index 76b8b7eed0c0..39430c67b522 100644
--- a/drivers/scsi/cxlflash/main.c
+++ b/drivers/scsi/cxlflash/main.c
@@ -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;