linux-kernel - [PATCH] drm/auth: Move master pointer from drm_device to drm

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Date:   Thu, 17 Jun 2021 17:47:33 +0800
From:   Qiang Ma <maqianga@...ontech.com>
To:     maarten.lankhorst@...ux.intel.com, mripard@...nel.org,
        tzimmermann@...e.de, airlied@...ux.ie, daniel@...ll.ch
Cc:     dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
        Qiang Ma <maqianga@...ontech.com>
Subject: [PATCH] drm/auth: Move master pointer from drm_device to drm_file

The drm_file pointer clears to zero during multi-user switching,
so it needs to call drm_new_set_master for master pointer from drm_file.

Signed-off-by: Qiang Ma <maqianga@...ontech.com>
---
 drivers/gpu/drm/drm_auth.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/drm_auth.c b/drivers/gpu/drm/drm_auth.c
index f2d46b7ac6f9..02431af6d0c5 100644
--- a/drivers/gpu/drm/drm_auth.c
+++ b/drivers/gpu/drm/drm_auth.c
@@ -302,7 +302,7 @@ int drm_master_open(struct drm_file *file_priv)
 	/* if there is no current master make this fd it, but do not create
 	 * any master object for render clients */
 	mutex_lock(&dev->master_mutex);
-	if (!dev->master)
+	if (!file_priv->master)
 		ret = drm_new_set_master(dev, file_priv);
 	else
 		file_priv->master = drm_master_get(dev->master);
-- 
2.20.1