From: peda@axentia.se (Peter Rosin)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 23/24] drm/bridge: require the .owner to be filled in on drm_bridge_attach
Date: Fri, 27 Apr 2018 00:31:38 +0200 [thread overview]
Message-ID: <20180426223139.16740-24-peda@axentia.se> (raw)
In-Reply-To: <20180426223139.16740-1-peda@axentia.se>
The .owner will be handy to have around.
Signed-off-by: Peter Rosin <peda@axentia.se>
---
drivers/gpu/drm/drm_bridge.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/drm_bridge.c b/drivers/gpu/drm/drm_bridge.c
index 9f023bd84d56..a038da696802 100644
--- a/drivers/gpu/drm/drm_bridge.c
+++ b/drivers/gpu/drm/drm_bridge.c
@@ -115,6 +115,9 @@ int drm_bridge_attach(struct drm_encoder *encoder, struct drm_bridge *bridge,
if (!encoder || !bridge)
return -EINVAL;
+ if (WARN_ON(!bridge->owner))
+ return -EINVAL;
+
if (previous && (!previous->dev || previous->encoder != encoder))
return -EINVAL;
--
2.11.0
next prev parent reply other threads:[~2018-04-26 22:31 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CGME20180426223215epcas2p38fe3b0b7b1ea1c8190805f9e2a89e11e@epcas2p3.samsung.com>
2018-04-26 22:31 ` [PATCH 00/24] device link, bridge supplier <-> drm device Peter Rosin
2018-04-26 22:31 ` [PATCH 01/24] drm/bridge: allow optionally specifying an .owner device Peter Rosin
2018-04-26 22:31 ` [PATCH 17/24] drm/exynos: mic: provide an .owner device for the bridge Peter Rosin
2018-04-26 22:31 ` [PATCH 18/24] drm/mediatek: hdmi: " Peter Rosin
2018-04-26 22:31 ` [PATCH 22/24] drm/bridge: remove the .of_node member Peter Rosin
2018-04-28 8:09 ` kbuild test robot
2018-04-30 11:14 ` Peter Rosin
2018-04-26 22:31 ` Peter Rosin [this message]
2018-04-30 15:24 ` [PATCH 23/24] drm/bridge: require the .owner to be filled in on drm_bridge_attach Daniel Vetter
2018-04-30 20:32 ` Peter Rosin
2018-04-26 22:31 ` [PATCH 24/24] drm/bridge: establish a link between the bridge supplier and consumer Peter Rosin
2018-04-30 15:32 ` Daniel Vetter
2018-04-30 21:12 ` Peter Rosin
2018-04-27 7:11 ` [PATCH 00/24] device link, bridge supplier <-> drm device Andrzej Hajda
2018-04-27 7:37 ` Peter Rosin
2018-04-27 7:51 ` Peter Rosin
[not found] ` <1881012.XPHlTWYXH6@avalon>
2018-04-26 23:09 ` Peter Rosin
[not found] ` <3483427.EaMxDYJt8U@avalon>
2018-04-27 7:27 ` Peter Rosin
2018-04-30 15:18 ` Daniel Vetter
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