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net: dsa: tag_ar9331: Make sure there is headroom for tag
authorPer Forlin <per.forlin@axis.com>
Thu, 13 Feb 2020 14:37:10 +0000 (15:37 +0100)
committerDavid S. Miller <davem@davemloft.net>
Fri, 14 Feb 2020 15:34:51 +0000 (07:34 -0800)
commit23bfec69940096ec867b731d8deede848e31ce51
treef5b5652dc4a256d52aaef46518d29606617210c8tree | snapshot
parentdafae5abda56f243995ec8ae1547f0e1435f308ecommit | diff
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>
net/dsa/tag_ar9331.c diff | blob | history
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