diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/tty/rocket.c | 32 |
1 files changed, 19 insertions, 13 deletions
diff --git a/drivers/tty/rocket.c b/drivers/tty/rocket.c index 5ba6816ebf81..fbaa4ec85560 100644 --- a/drivers/tty/rocket.c +++ b/drivers/tty/rocket.c @@ -1222,22 +1222,28 @@ static int set_config(struct tty_struct *tty, struct r_port *info, */ static int get_ports(struct r_port *info, struct rocket_ports __user *retports) { - struct rocket_ports tmp; - int board; + struct rocket_ports *tmp; + int board, ret = 0; - memset(&tmp, 0, sizeof (tmp)); - tmp.tty_major = rocket_driver->major; + tmp = kzalloc(sizeof(*tmp), GFP_KERNEL); + if (!tmp) + return -ENOMEM; + + tmp->tty_major = rocket_driver->major; for (board = 0; board < 4; board++) { - tmp.rocketModel[board].model = rocketModel[board].model; - strcpy(tmp.rocketModel[board].modelString, rocketModel[board].modelString); - tmp.rocketModel[board].numPorts = rocketModel[board].numPorts; - tmp.rocketModel[board].loadrm2 = rocketModel[board].loadrm2; - tmp.rocketModel[board].startingPortNumber = rocketModel[board].startingPortNumber; - } - if (copy_to_user(retports, &tmp, sizeof (*retports))) - return -EFAULT; - return 0; + tmp->rocketModel[board].model = rocketModel[board].model; + strcpy(tmp->rocketModel[board].modelString, + rocketModel[board].modelString); + tmp->rocketModel[board].numPorts = rocketModel[board].numPorts; + tmp->rocketModel[board].loadrm2 = rocketModel[board].loadrm2; + tmp->rocketModel[board].startingPortNumber = + rocketModel[board].startingPortNumber; + } + if (copy_to_user(retports, tmp, sizeof(*retports))) + ret = -EFAULT; + kfree(tmp); + return ret; } static int reset_rm2(struct r_port *info, void __user *arg) |