bna: use container_of to resolve bufdesc_ex from bufdesc

Use container_of instead of casting first structure member.

Compiled but untested.

Signed-off-by: Fabian Frederick <fabf@skynet.be>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Fabian Frederick 2014-09-13 22:38:27 +02:00 • committed by David S. Miller
commit 17b6f24448
2 changed files with 8 additions and 5 deletions