[SPARC32]: Fix SMP build regression

commit b19cbe2a1695c09c74f83646c4b82b51123b3690 [BRIDGE]: Fix fdb RCU
race

breaks sparc SMP build because atomic_add_unless is not exported.

This patch exports atomic_add_unless and atomic_cmpxchg.

Signed-off-by: Robert Reif <reif@earthlink.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 2 insertions, 0 deletions

diff --git a/arch/sparc/lib/atomic32.c b/arch/sparc/lib/atomic32.c
index 53ddcd9d1e60..559335f4917d 100644
--- a/arch/sparc/lib/atomic32.c
+++ b/arch/sparc/lib/atomic32.c
@@ -52,6 +52,7 @@ int atomic_cmpxchg(atomic_t *v, int old, int new)
         spin_unlock_irqrestore(ATOMIC_HASH(v), flags);
         return ret;
 }
+EXPORT_SYMBOL(atomic_cmpxchg);
 
 int atomic_add_unless(atomic_t *v, int a, int u)
 {
@@ -65,6 +66,7 @@ int atomic_add_unless(atomic_t *v, int a, int u)
         spin_unlock_irqrestore(ATOMIC_HASH(v), flags);
         return ret != u;
 }
+EXPORT_SYMBOL(atomic_add_unless);
 
 /* Atomic operations are already serializing */
 void atomic_set(atomic_t *v, int i)