From: Qingfang Deng Date: Tue, 24 Mar 2026 14:08:56 +0000 (+0800) Subject: netdevsim: fix build if SKB_EXTENSIONS=n X-Git-Tag: v7.0-rc7~28^2~47 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=57a04a13aac1f247d171c3f3aef93efc69e6979e;p=thirdparty%2Fkernel%2Flinux.git netdevsim: fix build if SKB_EXTENSIONS=n __skb_ext_put() is not declared if SKB_EXTENSIONS is not enabled, which causes a build error: drivers/net/netdevsim/netdev.c: In function 'nsim_forward_skb': drivers/net/netdevsim/netdev.c:114:25: error: implicit declaration of function '__skb_ext_put'; did you mean 'skb_ext_put'? [-Werror=implicit-function-declaration] 114 | __skb_ext_put(psp_ext); | ^~~~~~~~~~~~~ | skb_ext_put cc1: some warnings being treated as errors Add a stub to fix the build. Fixes: 7d9351435ebb ("netdevsim: drop PSP ext ref on forward failure") Signed-off-by: Qingfang Deng Link: https://patch.msgid.link/20260324140857.783-1-dqfext@gmail.com Signed-off-by: Jakub Kicinski --- diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index daa4e4944ce3..2f278ce376b7 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -5097,6 +5097,7 @@ static inline bool skb_has_extensions(struct sk_buff *skb) return unlikely(skb->active_extensions); } #else +static inline void __skb_ext_put(struct skb_ext *ext) {} static inline void skb_ext_put(struct sk_buff *skb) {} static inline void skb_ext_reset(struct sk_buff *skb) {} static inline void skb_ext_del(struct sk_buff *skb, int unused) {}