diff options
| -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 fa4a854ba054..179707b5e7c7 100644 --- a/drivers/staging/bcm/Bcmchar.c +++ b/drivers/staging/bcm/Bcmchar.c @@ -1137,7 +1137,9 @@ cntrlEnd: if (copy_from_user(&IoBuffer, argp, sizeof(IOCTL_BUFFER))) return -EFAULT; - /* FIXME: restrict length */ + if (IoBuffer.InputLength < sizeof(ULONG) * 2) + return -EINVAL; + pvBuffer = kmalloc(IoBuffer.InputLength, GFP_KERNEL); if (!pvBuffer) return -ENOMEM; |