The previous Kconfig patch led to some other build errors as reported by the 0day bot and my own overnight build testing. These are all in <linux/skbuff.h> when KCOV is enabled but SKB_EXTENSIONS is not enabled, so fix those by combining those conditions in the header file. Fixes: 6370cc3bbd8a ("net: add kcov handle to skb extensions") Fixes: 85ce50d337d1 ("net: kcov: don't select SKB_EXTENSIONS when there is no NET") Signed-off-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx> Reported-by: kernel test robot <lkp@xxxxxxxxx> Cc: Aleksandr Nogikh <nogikh@xxxxxxxxxx> Cc: Willem de Bruijn <willemb@xxxxxxxxxx> Cc: Jakub Kicinski <kuba@xxxxxxxxxx> Cc: linux-next@xxxxxxxxxxxxxxx Cc: netdev@xxxxxxxxxxxxxxx Cc: Florian Westphal <fw@xxxxxxxxx> --- v2: (as suggested by Matthieu Baerts <matthieu.baerts@xxxxxxxxxxxx>) drop an extraneous space in a comment; use CONFIG_SKB_EXTENSIONS instead of CONFIG_NET; v3, v4: dropped v5: drop a redundant IS_ENABLED(CONFIG_SKB_EXTENSIONS) in an enum; include/linux/skbuff.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) --- linux-next-20201113.orig/include/linux/skbuff.h +++ linux-next-20201113/include/linux/skbuff.h @@ -4608,7 +4608,7 @@ static inline void skb_reset_redirect(st #endif } -#ifdef CONFIG_KCOV +#if IS_ENABLED(CONFIG_KCOV) && IS_ENABLED(CONFIG_SKB_EXTENSIONS) static inline void skb_set_kcov_handle(struct sk_buff *skb, const u64 kcov_handle) { @@ -4636,7 +4636,7 @@ static inline u64 skb_get_kcov_handle(st static inline void skb_set_kcov_handle(struct sk_buff *skb, const u64 kcov_handle) { } static inline u64 skb_get_kcov_handle(struct sk_buff *skb) { return 0; } -#endif /* CONFIG_KCOV */ +#endif /* CONFIG_KCOV && CONFIG_SKB_EXTENSIONS */ #endif /* __KERNEL__ */ #endif /* _LINUX_SKBUFF_H */