From: Dave Airlie <airlied@gmail.com>
Date: Wed, 16 Apr 2014 09:42:24 +0000 (+1000)
Subject: drm/ast: fix value check in cbr_scan2
X-Git-Tag: v3.15-rc2~8^2~6
X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=a82049b1f1aeb02818092455cd43134ef83d81ea;p=linux.git

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 977cfb35837a..635f6ffc27c2 100644
--- 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;
 			}