Re: [PATCH net-next 2/3] ioam6: multicast event

kernel test robot
2024-02-21T14:19:19Z

Hi Justin,

kernel test robot noticed the following build warnings:

[auto build test WARNING on a6e0cb150c514efba4aaba4069927de43d80bb59]

url: https://github.com/intel-lab-lkp/linux/commits/Justin-Iurman/uapi-ioam6-API-for-netlink-multicast-events/20240221-034623
base: a6e0cb150c514efba4aaba4069927de43d80bb59
patch link: https://lore.kernel.org/r/20240220194444.36127-3-justin.iurman%40uliege.be
patch subject: [PATCH net-next 2/3] ioam6: multicast event
config: parisc-defconfig (https://download.01.org/0day-ci/archive/20240221/202402212253.mfysd5E1-lkp@intel.com/config)
compiler: hppa-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240221/202402212253.mfysd5E1-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202402212253.mfysd5E1-lkp@intel.com/

All warnings (new ones prefixed by >>):

net/ipv6/ioam6.c: In function 'ioam6_event':
>> net/ipv6/ioam6.c:657:9: warning: enumeration value 'IOAM6_EVENT_UNSPEC' not handled in switch [-Wswitch]
657 | switch (type) {
| ^~~~~~

vim +/IOAM6_EVENT_UNSPEC +657 net/ipv6/ioam6.c

638
639 void ioam6_event(enum ioam6_event_type type, struct net *net, gfp_t gfp,
640 void *opt, unsigned int opt_len)
641 {
642 struct nlmsghdr *nlh;
643 struct sk_buff *skb;
644
645 if (!genl_has_listeners(&ioam6_genl_family, net,
646 IOAM6_GENL_EV_GRP_OFFSET))
647 return;
648
649 skb = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
650 if (!skb)
651 return;
652
653 nlh = genlmsg_put(skb, 0, 0, &ioam6_genl_family, 0, type);
654 if (!nlh)
655 goto nla_put_failure;
656
> 657 switch (type) {
658 case IOAM6_EVENT_TRACE:
659 if (ioam6_event_put_trace(skb, (struct ioam6_trace_hdr *)opt,
660 opt_len))
661 goto nla_put_failure;
662 break;
663 }
664
665 genlmsg_end(skb, nlh);
666 genlmsg_multicast_netns(&ioam6_genl_family, net, skb, 0,
667 IOAM6_GENL_EV_GRP_OFFSET, gfp);
668 return;
669
670 nla_put_failure:
671 nlmsg_free(skb);
672 }
673

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0-DAY CI Kernel Test Service