adb: get rid of pointless access_ok()

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

1 files changed, 0 insertions, 4 deletions

diff --git a/drivers/macintosh/adb.c b/drivers/macintosh/adb.c
index fee939efc4fc..039dc8285fc5 100644
--- a/drivers/macintosh/adb.c
+++ b/drivers/macintosh/adb.c
@@ -723,8 +723,6 @@ static ssize_t adb_read(struct file *file, char __user *buf,
                 return -EINVAL;
         if (count > sizeof(req->reply))
                 count = sizeof(req->reply);
-        if (!access_ok(VERIFY_WRITE, buf, count))
-                return -EFAULT;
 
         req = NULL;
         spin_lock_irqsave(&state->lock, flags);
@@ -781,8 +779,6 @@ static ssize_t adb_write(struct file *file, const char __user *buf,
                 return -EINVAL;
         if (adb_controller == NULL)
                 return -ENXIO;
-        if (!access_ok(VERIFY_READ, buf, count))
-                return -EFAULT;
 
         req = kmalloc(sizeof(struct adb_request),
                                              GFP_KERNEL);