xen: Fixed assignment error in if statement

Fixed assignment error in if statement in balloon.c

Signed-off-by: Lisa Nguyen <lisa@xenapiadmin.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>

diff --git a/drivers/xen/balloon.c b/drivers/xen/balloon.c
index a56776d..930fb68 100644 (file)
--- a/drivers/xen/balloon.c
+++ b/drivers/xen/balloon.c
@@ -407,7 +407,8 @@ static enum bp_state decrease_reservation(unsigned long nr_pages, gfp_t gfp)
                nr_pages = ARRAY_SIZE(frame_list);
 
        for (i = 0; i < nr_pages; i++) {
-               if ((page = alloc_page(gfp)) == NULL) {
+               page = alloc_page(gfp);
+               if (page == NULL) {
                        nr_pages = i;
                        state = BP_EAGAIN;
                        break;