diff options
| author | Per Forlin <per.forlin@axis.com> | 2020-02-13 17:37:09 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2020-02-14 18:34:51 +0300 |
| commit | 04fb91243a853dbde216d829c79d9632e52aa8d9 (patch) | |
| tree | 227acdfe8a5014fa5633544ce20d97f99431f270 /net/dsa | |
| parent | 5fdcce211b3a41c3fed229333027f59a94a2f265 (diff) | |
| download | linux-04fb91243a853dbde216d829c79d9632e52aa8d9.tar.xz | |
net: dsa: tag_qca: 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>
Diffstat (limited to 'net/dsa')
| -rw-r--r-- | net/dsa/tag_qca.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/dsa/tag_qca.c b/net/dsa/tag_qca.c index c8a128c9e5e0..70db7c909f74 100644 --- a/net/dsa/tag_qca.c +++ b/net/dsa/tag_qca.c @@ -33,7 +33,7 @@ static struct sk_buff *qca_tag_xmit(struct sk_buff *skb, struct net_device *dev) struct dsa_port *dp = dsa_slave_to_port(dev); u16 *phdr, hdr; - if (skb_cow_head(skb, 0) < 0) + if (skb_cow_head(skb, QCA_HDR_LEN) < 0) return NULL; skb_push(skb, QCA_HDR_LEN); |