[PATCH 14/20] via-pmu: don't bother with access_ok()

From: Al Viro
Date: Sat May 09 2020 - 19:46:55 EST


From: Al Viro <viro@xxxxxxxxxxxxxxxxxx>

we are using copy_to_user() for actual copying

Signed-off-by: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
---
drivers/macintosh/via-pmu.c | 2 --
1 file changed, 2 deletions(-)

diff --git a/drivers/macintosh/via-pmu.c b/drivers/macintosh/via-pmu.c
index 83eb05bf85ff..8450d7c008d0 100644
--- a/drivers/macintosh/via-pmu.c
+++ b/drivers/macintosh/via-pmu.c
@@ -2184,8 +2184,6 @@ pmu_read(struct file *file, char __user *buf,

if (count < 1 || !pp)
return -EINVAL;
- if (!access_ok(buf, count))
- return -EFAULT;

spin_lock_irqsave(&pp->lock, flags);
add_wait_queue(&pp->wait, &wait);
--
2.11.0