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net/sched: Use fallthrough pseudo-keyword 

Replace the existing /* fall through */ comments and its variants with
the new pseudo-keyword macro fallthrough[1]. Also, remove unnecessary
fall-through markings when it is the case.

[1] https://www.kernel.org/doc/html/latest/process/deprecated.html?highlight=fallthrough#implicit-switch-case-fall-through

Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Gustavo A. R. Silva 2020-07-07 12:21:38 -05:00 committed by David S. Miller
parent 535094a0c9
commit 964201de69
14 changed files with 15 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
net/sched/act_csum.c
View File

@ -598,7 +598,8 @@ static int tcf_csum_act(struct sk_buff *skb, const struct tc_action *a,
if (!tcf_csum_ipv6(skb, update_flags))
goto drop;
break;
case cpu_to_be16(ETH_P_8021AD): /* fall through */
case cpu_to_be16(ETH_P_8021AD):
fallthrough;
case cpu_to_be16(ETH_P_8021Q):
if (skb_vlan_tag_present(skb) && !orig_vlan_tag_present) {
protocol = skb->protocol;

2
net/sched/act_ct.c
View File

@ -783,7 +783,7 @@ static int ct_nat_execute(struct sk_buff *skb, struct nf_conn *ct,
}
}
/* Non-ICMP, fall thru to initialize if needed. */
/* fall through */
fallthrough;
case IP_CT_NEW:
/* Seen it before? This can happen for loopback, retrans,
* or local packets.

2
net/sched/sch_cbq.c
View File

@ -250,7 +250,7 @@ cbq_classify(struct sk_buff *skb, struct Qdisc *sch, int *qerr)
case TC_ACT_STOLEN:
case TC_ACT_TRAP:
*qerr = NET_XMIT_SUCCESS | __NET_XMIT_STOLEN;
/* fall through */
fallthrough;
case TC_ACT_SHOT:
return NULL;
case TC_ACT_RECLASSIFY:

2
net/sched/sch_drr.c
View File

@ -324,7 +324,7 @@ static struct drr_class *drr_classify(struct sk_buff *skb, struct Qdisc *sch,
case TC_ACT_STOLEN:
case TC_ACT_TRAP:
*qerr = NET_XMIT_SUCCESS | __NET_XMIT_STOLEN;
/* fall through */
fallthrough;
case TC_ACT_SHOT:
return NULL;
}

2
net/sched/sch_ets.c
View File

@ -397,7 +397,7 @@ static struct ets_class *ets_classify(struct sk_buff *skb, struct Qdisc *sch,
case TC_ACT_QUEUED:
case TC_ACT_TRAP:
*qerr = NET_XMIT_SUCCESS | __NET_XMIT_STOLEN;
/* fall through */
fallthrough;
case TC_ACT_SHOT:
return NULL;
}

2
net/sched/sch_fq_codel.c
View File

@ -99,7 +99,7 @@ static unsigned int fq_codel_classify(struct sk_buff *skb, struct Qdisc *sch,
case TC_ACT_QUEUED:
case TC_ACT_TRAP:
*qerr = NET_XMIT_SUCCESS | __NET_XMIT_STOLEN;
/* fall through */
fallthrough;
case TC_ACT_SHOT:
return 0;
}

2
net/sched/sch_fq_pie.c
View File

@ -102,7 +102,7 @@ static unsigned int fq_pie_classify(struct sk_buff *skb, struct Qdisc *sch,
case TC_ACT_QUEUED:
case TC_ACT_TRAP:
*qerr = NET_XMIT_SUCCESS | __NET_XMIT_STOLEN;
/* fall through */
fallthrough;
case TC_ACT_SHOT:
return 0;
}

2
net/sched/sch_hfsc.c
View File

@ -1136,7 +1136,7 @@ hfsc_classify(struct sk_buff *skb, struct Qdisc *sch, int *qerr)
case TC_ACT_STOLEN:
case TC_ACT_TRAP:
*qerr = NET_XMIT_SUCCESS | __NET_XMIT_STOLEN;
/* fall through */
fallthrough;
case TC_ACT_SHOT:
return NULL;
}

2
net/sched/sch_htb.c
View File

@ -239,7 +239,7 @@ static struct htb_class *htb_classify(struct sk_buff *skb, struct Qdisc *sch,
case TC_ACT_STOLEN:
case TC_ACT_TRAP:
*qerr = NET_XMIT_SUCCESS | __NET_XMIT_STOLEN;
/* fall through */
fallthrough;
case TC_ACT_SHOT:
return NULL;
}

2
net/sched/sch_multiq.c
View File

@ -43,7 +43,7 @@ multiq_classify(struct sk_buff *skb, struct Qdisc *sch, int *qerr)
case TC_ACT_QUEUED:
case TC_ACT_TRAP:
*qerr = NET_XMIT_SUCCESS | __NET_XMIT_STOLEN;
/* fall through */
fallthrough;
case TC_ACT_SHOT:
return NULL;
}

2
net/sched/sch_prio.c
View File

@ -46,7 +46,7 @@ prio_classify(struct sk_buff *skb, struct Qdisc *sch, int *qerr)
case TC_ACT_QUEUED:
case TC_ACT_TRAP:
*qerr = NET_XMIT_SUCCESS | __NET_XMIT_STOLEN;
/* fall through */
fallthrough;
case TC_ACT_SHOT:
return NULL;
}

2
net/sched/sch_qfq.c
View File

@ -699,7 +699,7 @@ static struct qfq_class *qfq_classify(struct sk_buff *skb, struct Qdisc *sch,
case TC_ACT_STOLEN:
case TC_ACT_TRAP:
*qerr = NET_XMIT_SUCCESS | __NET_XMIT_STOLEN;
/* fall through */
fallthrough;
case TC_ACT_SHOT:
return NULL;
}

2
net/sched/sch_sfb.c
View File

@ -265,7 +265,7 @@ static bool sfb_classify(struct sk_buff *skb, struct tcf_proto *fl,
case TC_ACT_QUEUED:
case TC_ACT_TRAP:
*qerr = NET_XMIT_SUCCESS | __NET_XMIT_STOLEN;
/* fall through */
fallthrough;
case TC_ACT_SHOT:
return false;
}

2
net/sched/sch_sfq.c
View File

@ -186,7 +186,7 @@ static unsigned int sfq_classify(struct sk_buff *skb, struct Qdisc *sch,
case TC_ACT_QUEUED:
case TC_ACT_TRAP:
*qerr = NET_XMIT_SUCCESS | __NET_XMIT_STOLEN;
/* fall through */
fallthrough;
case TC_ACT_SHOT:
return 0;
}