diff options
| -rw-r--r-- | net/netfilter/nft_bitwise.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/net/netfilter/nft_bitwise.c b/net/netfilter/nft_bitwise.c index 13808e9cd999..94dccdcfa06b 100644 --- a/net/netfilter/nft_bitwise.c +++ b/net/netfilter/nft_bitwise.c @@ -196,7 +196,8 @@ static int nft_bitwise_init_shift(struct nft_bitwise *priv, if (err < 0) return err; - if (priv->data.data[0] >= BITS_PER_TYPE(u32)) { + if (!priv->data.data[0] || + priv->data.data[0] >= BITS_PER_TYPE(u32)) { nft_data_release(&priv->data, desc.type); return -EINVAL; } |