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| author | Per Forlin <per.forlin@axis.com> | 2020-02-13 17:37:10 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2020-02-14 18:34:51 +0300 |
| commit | ddc9abaf5d9924569afe09a605c9012089d0c25b (patch) | |
| tree | f5b5652dc4a256d52aaef46518d29606617210c8 | |
| parent | 04fb91243a853dbde216d829c79d9632e52aa8d9 (diff) | |
| download | linux-ddc9abaf5d9924569afe09a605c9012089d0c25b.tar.xz | |
net: dsa: tag_ar9331: Make sure there is headroom for tag
Passing tag size to skb_cow_head will make sure
there is enough headroom for the tag data.
This change does not introduce any overhead in case there
is already available headroom for tag.
Signed-off-by: Per Forlin <perfn@axis.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | net/dsa/tag_ar9331.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/dsa/tag_ar9331.c b/net/dsa/tag_ar9331.c index 466ffa92a474..55b00694cdba 100644 --- a/net/dsa/tag_ar9331.c +++ b/net/dsa/tag_ar9331.c @@ -31,7 +31,7 @@ static struct sk_buff *ar9331_tag_xmit(struct sk_buff *skb, __le16 *phdr; u16 hdr; - if (skb_cow_head(skb, 0) < 0) + if (skb_cow_head(skb, AR9331_HDR_LEN) < 0) return NULL; phdr = skb_push(skb, AR9331_HDR_LEN); |