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skbuff: remove unused variable `doff'

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There are two instances of an unused variable, `doff' added by
commit 6fa01ccd88 ("skbuff: Add pskb_extract() helper function")
in pskb_carve_inside_header() and pskb_carve_inside_nonlinear().
Remove these instances, they are not used.

Reported by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: Sowmini Varadhan <sowmini.varadhan@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Sowmini Varadhan 2016-05-10 12:38:08 -04:00 committed by David S. Miller
parent 1ddb6b71b9
commit 953abb3823
1 changed files with 0 additions and 6 deletions
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6
net/core/skbuff.c
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@ -4634,7 +4634,6 @@ static int pskb_carve_inside_header(struct sk_buff *skb, const u32 off,
int size = skb_end_offset(skb);
int new_hlen = headlen - off;
u8 *data;
int doff = 0;
size = SKB_DATA_ALIGN(size);
@ -4674,13 +4673,11 @@ static int pskb_carve_inside_header(struct sk_buff *skb, const u32 off,
skb_free_head(skb);
}
doff = (data - skb->head);
skb->head = data;
skb->data = data;
skb->head_frag = 0;
#ifdef NET_SKBUFF_DATA_USES_OFFSET
skb->end = size;
doff = 0;
#else
skb->end = skb->head + size;
#endif
@ -4761,7 +4758,6 @@ static int pskb_carve_inside_nonlinear(struct sk_buff *skb, const u32 off,
u8 *data;
const int nfrags = skb_shinfo(skb)->nr_frags;
struct skb_shared_info *shinfo;
int doff = 0;
size = SKB_DATA_ALIGN(size);
@ -4816,13 +4812,11 @@ static int pskb_carve_inside_nonlinear(struct sk_buff *skb, const u32 off,
}
skb_release_data(skb);
doff = (data - skb->head);
skb->head = data;
skb->head_frag = 0;
skb->data = data;
#ifdef NET_SKBUFF_DATA_USES_OFFSET
skb->end = size;
doff = 0;
#else
skb->end = skb->head + size;
#endif