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author | Steven Whitehouse <swhiteho@redhat.com> | 2006-08-29 11:39:34 -0400 |
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committer | Steven Whitehouse <swhiteho@redhat.com> | 2006-08-29 11:39:34 -0400 |
commit | 83b7a664a0c7c39ccfa4c72535dc1c001d4e7a18 (patch) | |
tree | 5ba3bbbe977c2047658b41e22d6b2abd5686bf15 /include/linux/skbuff.h | |
parent | 8638460540749ddb1beca9e9a68d655a6fe6df65 (diff) | |
parent | d96299537e43681942ea272e00b0e529aa5b5fa4 (diff) | |
download | op-kernel-dev-83b7a664a0c7c39ccfa4c72535dc1c001d4e7a18.zip op-kernel-dev-83b7a664a0c7c39ccfa4c72535dc1c001d4e7a18.tar.gz |
Merge branch 'master' into gfs2
Diffstat (limited to 'include/linux/skbuff.h')
-rw-r--r-- | include/linux/skbuff.h | 19 |
1 files changed, 17 insertions, 2 deletions
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index 19c96d4..755e9cd 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -1040,6 +1040,21 @@ static inline int pskb_trim(struct sk_buff *skb, unsigned int len) } /** + * pskb_trim_unique - remove end from a paged unique (not cloned) buffer + * @skb: buffer to alter + * @len: new length + * + * This is identical to pskb_trim except that the caller knows that + * the skb is not cloned so we should never get an error due to out- + * of-memory. + */ +static inline void pskb_trim_unique(struct sk_buff *skb, unsigned int len) +{ + int err = pskb_trim(skb, len); + BUG_ON(err); +} + +/** * skb_orphan - orphan a buffer * @skb: buffer to orphan * @@ -1081,7 +1096,7 @@ static inline void __skb_queue_purge(struct sk_buff_head *list) * the headroom they think they need without accounting for the * built in space. The built in space is used for optimisations. * - * %NULL is returned in there is no free memory. + * %NULL is returned if there is no free memory. */ static inline struct sk_buff *__dev_alloc_skb(unsigned int length, gfp_t gfp_mask) @@ -1101,7 +1116,7 @@ static inline struct sk_buff *__dev_alloc_skb(unsigned int length, * the headroom they think they need without accounting for the * built in space. The built in space is used for optimisations. * - * %NULL is returned in there is no free memory. Although this function + * %NULL is returned if there is no free memory. Although this function * allocates memory it can be called from an interrupt. */ static inline struct sk_buff *dev_alloc_skb(unsigned int length) |