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-rw-r--r--net/batman-adv/main.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/net/batman-adv/main.h b/net/batman-adv/main.h
index dc248697de7..ace72852ed7 100644
--- a/net/batman-adv/main.h
+++ b/net/batman-adv/main.h
@@ -175,4 +175,6 @@ static inline int compare_eth(void *data1, void *data2)
return (memcmp(data1, data2, ETH_ALEN) == 0 ? 1 : 0);
}
+#define atomic_dec_not_zero(v) atomic_add_unless((v), -1, 0)
+
#endif /* _NET_BATMAN_ADV_MAIN_H_ */