diff options
Diffstat (limited to 'drivers/char/ipmi/ipmi_devintf.c')
| -rw-r--r-- | drivers/char/ipmi/ipmi_devintf.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/drivers/char/ipmi/ipmi_devintf.c b/drivers/char/ipmi/ipmi_devintf.c index 9eb360ff8ca..ec318bf434a 100644 --- a/drivers/char/ipmi/ipmi_devintf.c +++ b/drivers/char/ipmi/ipmi_devintf.c @@ -810,6 +810,7 @@ static long compat_ipmi_ioctl(struct file *filep, unsigned int cmd, struct ipmi_recv __user *precv64; struct ipmi_recv recv64; + memset(&recv64, 0, sizeof(recv64)); if (get_compat_ipmi_recv(&recv64, compat_ptr(arg))) return -EFAULT; @@ -837,13 +838,25 @@ static long compat_ipmi_ioctl(struct file *filep, unsigned int cmd, return ipmi_ioctl(filep, cmd, arg); } } + +static long unlocked_compat_ipmi_ioctl(struct file *filep, unsigned int cmd, + unsigned long arg) +{ + int ret; + + mutex_lock(&ipmi_mutex); + ret = compat_ipmi_ioctl(filep, cmd, arg); + mutex_unlock(&ipmi_mutex); + + return ret; +} #endif static const struct file_operations ipmi_fops = { .owner = THIS_MODULE, .unlocked_ioctl = ipmi_unlocked_ioctl, #ifdef CONFIG_COMPAT - .compat_ioctl = compat_ipmi_ioctl, + .compat_ioctl = unlocked_compat_ipmi_ioctl, #endif .open = ipmi_open, .release = ipmi_release, |