netfilter: mark expected switch fall-throughs
In preparation to enabling -Wimplicit-fallthrough, mark switch cases where we are expecting to fall through. Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com> Signed-off-by: Simon Horman <horms@verge.net.au> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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@ -1386,7 +1386,7 @@ dump_last:
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goto next_set;
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if (set->variant->uref)
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set->variant->uref(set, cb, true);
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/* Fall through and add elements */
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/* fall through */
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default:
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rcu_read_lock_bh();
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ret = set->variant->list(set, skb, cb);
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@ -315,6 +315,7 @@ tcp_csum_check(int af, struct sk_buff *skb, struct ip_vs_protocol *pp)
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switch (skb->ip_summed) {
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case CHECKSUM_NONE:
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skb->csum = skb_checksum(skb, tcphoff, skb->len - tcphoff, 0);
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/* fall through */
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case CHECKSUM_COMPLETE:
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#ifdef CONFIG_IP_VS_IPV6
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if (af == AF_INET6) {
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@ -319,6 +319,7 @@ udp_csum_check(int af, struct sk_buff *skb, struct ip_vs_protocol *pp)
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case CHECKSUM_NONE:
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skb->csum = skb_checksum(skb, udphoff,
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skb->len - udphoff, 0);
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/* fall through */
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case CHECKSUM_COMPLETE:
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#ifdef CONFIG_IP_VS_IPV6
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if (af == AF_INET6) {
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@ -262,12 +262,15 @@ static unsigned int get_uint(struct bitstr *bs, int b)
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case 4:
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v |= *bs->cur++;
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v <<= 8;
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/* fall through */
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case 3:
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v |= *bs->cur++;
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v <<= 8;
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/* fall through */
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case 2:
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v |= *bs->cur++;
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v <<= 8;
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/* fall through */
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case 1:
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v |= *bs->cur++;
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break;
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@ -44,6 +44,7 @@ static void nft_cmp_eval(const struct nft_expr *expr,
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case NFT_CMP_LT:
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if (d == 0)
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goto mismatch;
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/* fall through */
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case NFT_CMP_LTE:
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if (d > 0)
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goto mismatch;
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@ -51,6 +52,7 @@ static void nft_cmp_eval(const struct nft_expr *expr,
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case NFT_CMP_GT:
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if (d == 0)
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goto mismatch;
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/* fall through */
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case NFT_CMP_GTE:
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if (d < 0)
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goto mismatch;
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@ -1397,7 +1397,7 @@ static void *xt_mttg_seq_next(struct seq_file *seq, void *v, loff_t *ppos,
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trav->curr = trav->curr->next;
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if (trav->curr != trav->head)
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break;
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/* fallthru, _stop will unlock */
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/* fall through */
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default:
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return NULL;
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}
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