diff options
| author | Al Viro <viro@zeniv.linux.org.uk> | 2020-04-23 17:27:20 +0300 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2020-05-29 18:05:58 +0300 |
| commit | fe6bb59f4dd693ffb678224fe78fc69dda163c46 (patch) | |
| tree | e0dcc62270d8c2a0faa4679986203144caa48e15 /drivers/usb/core/devices.c | |
| parent | e6c0433e270ae96fb62fd30cf7c2c7bf57d5391f (diff) | |
| download | linux-fe6bb59f4dd693ffb678224fe78fc69dda163c46.tar.xz | |
usb: get rid of pointless access_ok() calls
in all affected cases addresses are passed only to
copy_from()_user or copy_to_user().
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'drivers/usb/core/devices.c')
| -rw-r--r-- | drivers/usb/core/devices.c | 2 |
1 files changed, 0 insertions, 2 deletions
diff --git a/drivers/usb/core/devices.c b/drivers/usb/core/devices.c index 44f28a114c2b..94b6fa6e585e 100644 --- a/drivers/usb/core/devices.c +++ b/drivers/usb/core/devices.c @@ -598,8 +598,6 @@ static ssize_t usb_device_read(struct file *file, char __user *buf, return -EINVAL; if (nbytes <= 0) return 0; - if (!access_ok(buf, nbytes)) - return -EFAULT; mutex_lock(&usb_bus_idr_lock); /* print devices for all busses */ |