diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/staging/bcm/Bcmchar.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/staging/bcm/Bcmchar.c b/drivers/staging/bcm/Bcmchar.c index 6f8a75d..1905a83 100644 --- a/drivers/staging/bcm/Bcmchar.c +++ b/drivers/staging/bcm/Bcmchar.c @@ -687,7 +687,9 @@ static long bcm_char_ioctl(struct file *filp, UINT cmd, ULONG arg) if (copy_from_user(&IoBuffer, argp, sizeof(IOCTL_BUFFER))) return -EFAULT; - /* FIXME: don't accept any length from user */ + if (IoBuffer.InputLength < sizeof(struct link_request)) + return -EINVAL; + pvBuffer = kmalloc(IoBuffer.InputLength, GFP_KERNEL); if (!pvBuffer) return -ENOMEM; |