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net: dsa: tag_qca: Make sure there is headroom for tag
authorPer Forlin <per.forlin@axis.com>
Thu, 13 Feb 2020 14:37:09 +0000 (15:37 +0100)
committerDavid S. Miller <davem@davemloft.net>
Fri, 14 Feb 2020 15:34:51 +0000 (07:34 -0800)
commit04fb91243a853dbde216d829c79d9632e52aa8d9
tree227acdfe8a5014fa5633544ce20d97f99431f270tree | snapshot
parent5fdcce211b3a41c3fed229333027f59a94a2f265commit | diff
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>
net/dsa/tag_qca.c diff | blob | history
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