[PATCH 1/2] x86,smp: simplify __ticket_spin_lock

[Michel Lespinasse <walken@google.com>]

Just cosmetic - avoid an unnecessary goto construct

Signed-off-by: Michel Lespinasse <walken@google.com>

---
 arch/x86/include/asm/spinlock.h |    7 ++-----
 1 files changed, 2 insertions(+), 5 deletions(-)

diff --git a/arch/x86/include/asm/spinlock.h b/arch/x86/include/asm/spinlock.h
index 2a45eb0cdb2c..19e8a36b3b83 100644
--- a/arch/x86/include/asm/spinlock.h
+++ b/arch/x86/include/asm/spinlock.h
@@ -55,11 +55,8 @@ static __always_inline void __ticket_spin_lock(arch_spinlock_t *lock)
 
 	inc = xadd(&lock->tickets, inc);
 
-	if (inc.head == inc.tail)
-		goto out;
-
-	ticket_spin_lock_wait(lock, inc);
- out:
+	if (inc.head != inc.tail)
+		ticket_spin_lock_wait(lock, inc);
 	barrier();		/* make sure nothing creeps before the lock is taken */
 }
 
-- 
1.7.7.3