ppc64: add missing include in semaphore.c

diff --git a/arch/ppc64/kernel/semaphore.c b/arch/ppc64/kernel/semaphore.c
index d9667cce6f25f0a2c8ba9c99c962337fe3e177f9..7fb2d8d95d0a7f5c933ef0ad456a6bff5b2003d7 100644 (file)
--- a/arch/ppc64/kernel/semaphore.c
+++ b/arch/ppc64/kernel/semaphore.c
@@ -19,6 +19,7 @@
 #include <linux/sched.h>
 #include <asm/atomic.h>
 #include <asm/semaphore.h>
+#include <asm/errno.h>
 
 /*
  * Atomically update sem->count.