Initialize page2 variable to make compiler happy.

Signed-off-by: Jiri Olsa <jolsa@redhat.com>
---
 kernel/trace/trace.c |    3 +--
 1 files changed, 1 insertions(+), 2 deletions(-)

diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index 9e158cc..4a06862 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -3655,8 +3655,7 @@ tracing_mark_write(struct file *filp, const char __user *ubuf,
 	struct page *pages[2];
 	int nr_pages = 1;
 	ssize_t written;
-	void *page1;
-	void *page2;
+	void *page1, *page2 = NULL;
 	int offset;
 	int size;
 	int len;
-- 
1.7.1