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net: Get rid of consume_skb when tracing is off

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The function consume_skb is only meaningful when tracing is enabled.
This patch makes it conditional on CONFIG_TRACEPOINTS.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Herbert Xu 2020-08-22 08:23:29 +10:00 committed by David S. Miller
parent 1ee39c1448
commit be769db2f9
2 changed files with 11 additions and 0 deletions
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9
include/linux/skbuff.h
View File

@ -1056,7 +1056,16 @@ void kfree_skb(struct sk_buff *skb);
void kfree_skb_list(struct sk_buff *segs);
void skb_dump(const char *level, const struct sk_buff *skb, bool full_pkt);
void skb_tx_error(struct sk_buff *skb);
#ifdef CONFIG_TRACEPOINTS
void consume_skb(struct sk_buff *skb);
#else
static inline void consume_skb(struct sk_buff *skb)
{
return kfree_skb(skb);
}
#endif
void __consume_stateless_skb(struct sk_buff *skb);
void __kfree_skb(struct sk_buff *skb);
extern struct kmem_cache *skbuff_head_cache;

2
net/core/skbuff.c
View File

@ -820,6 +820,7 @@ void skb_tx_error(struct sk_buff *skb)
}
EXPORT_SYMBOL(skb_tx_error);
#ifdef CONFIG_TRACEPOINTS
/**
* consume_skb - free an skbuff
* @skb: buffer to free
@ -837,6 +838,7 @@ void consume_skb(struct sk_buff *skb)
__kfree_skb(skb);
}
EXPORT_SYMBOL(consume_skb);
#endif
/**
* consume_stateless_skb - free an skbuff, assuming it is stateless