[RFC PATCH 02/15] tty: ldsem_cmpxchg() should use cmpxchg() not atomic_long_cmpxchg()

[David Howells]

ldsem_cmpxchg() should use cmpxchg() not atomic_long_cmpxchg() since the
variable it is wangling isn't an atomic_long_t.

Signed-off-by: David Howells <dhowells@xxxxxxxxxx>
cc: Peter Hurley <peter@xxxxxxxxxxxxxxxxxx>
cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---

 drivers/tty/tty_ldsem.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/tty/tty_ldsem.c b/drivers/tty/tty_ldsem.c
index 1bf8ed13f827..dc27b285ba4f 100644
--- a/drivers/tty/tty_ldsem.c
+++ b/drivers/tty/tty_ldsem.c
@@ -86,7 +86,7 @@ static inline long ldsem_atomic_update(long delta, struct ld_semaphore *sem)
  */
 static inline int ldsem_cmpxchg(long *old, long new, struct ld_semaphore *sem)
 {
-	long tmp = atomic_long_cmpxchg(&sem->count, *old, new);
+	long tmp = cmpxchg(&sem->count, *old, new);
 	if (tmp == *old) {
 		*old = new;
 		return 1;