[PATCH] atomic: add *_dec_not_zero

David Miller davem at davemloft.net
Wed May 4 02:12:55 EDT 2011

From: Sven Eckelmann <sven at narfation.org>
Date: Tue,  3 May 2011 23:30:35 +0200

> Introduce an *_dec_not_zero operation.  Make this a special case of
> *_add_unless because batman-adv uses atomic_dec_not_zero in different
> places like re-broadcast queue or aggregation queue management. There
> are other non-final patches which may also want to use this macro.
> Reported-by: David S. Miller <davem at davemloft.net>
> Signed-off-by: Sven Eckelmann <sven at narfation.org>

Acked-by: David S. Miller <davem at davemloft.net>

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