diff options
| -rw-r--r-- | drivers/staging/ozwpan/ozcdev.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/staging/ozwpan/ozcdev.c b/drivers/staging/ozwpan/ozcdev.c index 27d06666c81..224ccff75d4 100644 --- a/drivers/staging/ozwpan/ozcdev.c +++ b/drivers/staging/ozwpan/ozcdev.c @@ -153,6 +153,9 @@ static ssize_t oz_cdev_write(struct file *filp, const char __user *buf, struct oz_app_hdr *app_hdr; struct oz_serial_ctx *ctx; + if (count > sizeof(ei->data) - sizeof(*elt) - sizeof(*app_hdr)) + return -EINVAL; + spin_lock_bh(&g_cdev.lock); pd = g_cdev.active_pd; if (pd) |