drm/ast: fix value check in cbr_scan2

this is a typo vs the ums driver, fix to check correct value.

Found initially by Coverity.

Reported-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Dave Airlie <airlied@redhat.com>

diff --git a/drivers/gpu/drm/ast/ast_post.c b/drivers/gpu/drm/ast/ast_post.c
index 977cfb35837a004b6078fb121125d239464df90a..635f6ffc27c2852593e20a56b4cb5c451c417a38 100644 (file)
--- a/drivers/gpu/drm/ast/ast_post.c
+++ b/drivers/gpu/drm/ast/ast_post.c
@@ -572,7 +572,7 @@ static u32 cbr_scan2(struct ast_private *ast)
                for (loop = 0; loop < CBR_PASSNUM2; loop++) {
                        if ((data = cbr_test2(ast)) != 0) {
                                data2 &= data;
-                               if (!data)
+                               if (!data2)
                                        return 0;
                                break;
                        }