From: Al Viro Date: Sat, 30 Sep 2017 00:42:14 +0000 (-0400) Subject: ipmi: get rid of pointless access_ok() X-Git-Tag: v4.15-rc1~69^2~3 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=24219d21c75f188d9e25053b0da22f2d698ca688;p=thirdparty%2Fkernel%2Flinux.git ipmi: get rid of pointless access_ok() Signed-off-by: Al Viro --- diff --git a/drivers/char/ipmi/bt-bmc.c b/drivers/char/ipmi/bt-bmc.c index 70d434bc1cbf4..c4ef73c6f4553 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); /*