From mboxrd@z Thu Jan 1 00:00:00 1970 From: peda@axentia.se (Peter Rosin) Date: Fri, 27 Apr 2018 00:31:38 +0200 Subject: [PATCH 23/24] drm/bridge: require the .owner to be filled in on drm_bridge_attach In-Reply-To: <20180426223139.16740-1-peda@axentia.se> References: <20180426223139.16740-1-peda@axentia.se> Message-ID: <20180426223139.16740-24-peda@axentia.se> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org The .owner will be handy to have around. Signed-off-by: Peter Rosin --- 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