copy_to_user() returns the number of bytes remaining but we want to return a negative error code. This is in the ioctl handler and the error code gets passed to userspace.
Signed-off-by: Dan Carpenter <[email protected]> diff --git a/drivers/staging/rt2860/sta_ioctl.c b/drivers/staging/rt2860/sta_ioctl.c index 112da7a..6b8268d 100644 --- a/drivers/staging/rt2860/sta_ioctl.c +++ b/drivers/staging/rt2860/sta_ioctl.c @@ -2522,6 +2522,8 @@ int rt28xx_sta_ioctl(IN struct net_device *net_dev, Status = copy_to_user(erq->pointer, pAd->nickname, erq->length); + if (Status) + Status = -EFAULT; break; } case SIOCGIWRATE: /*get default bit rate (bps) */ _______________________________________________ devel mailing list [email protected] http://driverdev.linuxdriverproject.org/mailman/listinfo/devel
