From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Wed, 28 Jan 2015 06:43:35 +0000 (+0300)
Subject: drm: Check the right variable when setting formats
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=944579c5a474e5faffd3ff2ee0e45eb7c53c3fd3;p=openwrt%2Fstaging%2Fblogic.git

drm: Check the right variable when setting formats

When setting the video bus supported formats for a display device using
drm_display_info_set_bus_formats(), check for the proper variable after
duplicating memory.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Daniel Kurtz <djkurtz@chromium.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>
---

diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
index 0e4ec700b0a6..6b00173d1be4 100644
--- a/drivers/gpu/drm/drm_crtc.c
+++ b/drivers/gpu/drm/drm_crtc.c
@@ -787,7 +787,7 @@ int drm_display_info_set_bus_formats(struct drm_display_info *info,
 	if (formats && num_formats) {
 		fmts = kmemdup(formats, sizeof(*formats) * num_formats,
 			       GFP_KERNEL);
-		if (!formats)
+		if (!fmts)
 			return -ENOMEM;
 	}