From 24219d21c75f188d9e25053b0da22f2d698ca688 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Fri, 29 Sep 2017 20:42:14 -0400
Subject: [PATCH] ipmi: get rid of pointless access_ok()
Git-commit: 24219d21c75f188d9e25053b0da22f2d698ca688
Patch-mainline: v4.15-rc1
References: FATE#326156
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
drivers/char/ipmi/bt-bmc.c | 6 ------
1 file changed, 6 deletions(-)
diff --git a/drivers/char/ipmi/bt-bmc.c b/drivers/char/ipmi/bt-bmc.c
index 70d434bc1cbf..c4ef73c6f455 100644
--- a/drivers/char/ipmi/bt-bmc.c
+++ b/drivers/char/ipmi/bt-bmc.c
@@ -204,9 +204,6 @@ static ssize_t bt_bmc_read(struct file *file, char __user *buf,
ssize_t ret = 0;
ssize_t nread;
- if (!access_ok(VERIFY_WRITE, buf, count))
- return -EFAULT;
-
WARN_ON(*ppos);
if (wait_event_interruptible(bt_bmc->queue,
@@ -277,9 +274,6 @@ static ssize_t bt_bmc_write(struct file *file, const char __user *buf,
if (count < 5)
return -EINVAL;
- if (!access_ok(VERIFY_READ, buf, count))
- return -EFAULT;
-
WARN_ON(*ppos);
/*
--
2.19.2