linux-kernel - [PATCH 3.13 064/187] drm/tilcdc: tfp410: fix dangling sysfs connector node

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Message-Id: <1410818997-9432-65-git-send-email-kamal@canonical.com>
Date:	Mon, 15 Sep 2014 15:07:54 -0700
From:	Kamal Mostafa <kamal@...onical.com>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org,
	kernel-team@...ts.ubuntu.com
Cc:	Guido Martínez <guido@...guardiasur.com.ar>,
	Dave Airlie <airlied@...hat.com>,
	Kamal Mostafa <kamal@...onical.com>
Subject: [PATCH 3.13 064/187] drm/tilcdc: tfp410: fix dangling sysfs connector node

3.13.11.7 -stable review patch.  If anyone has any objections, please let me know.

------------------

From: =?UTF-8?q?Guido=20Mart=C3=ADnez?= <guido@...guardiasur.com.ar>

commit 16dcbdef404f4e87dab985494381939fe0a2d456 upstream.

Add a drm_sysfs_connector_remove call when we destroy the panel to make
sure the connector node in sysfs gets deleted.

This is required for proper unload and re-load of this driver, otherwise
we will get a warning about a duplicate filename in sysfs.

Signed-off-by: Guido Martínez <guido@...guardiasur.com.ar>
Tested-by: Darren Etheridge <detheridge@...com>
Signed-off-by: Dave Airlie <airlied@...hat.com>
Signed-off-by: Kamal Mostafa <kamal@...onical.com>
---
 drivers/gpu/drm/tilcdc/tilcdc_tfp410.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/tilcdc/tilcdc_tfp410.c b/drivers/gpu/drm/tilcdc/tilcdc_tfp410.c
index c38b56b..ce75ac8 100644
--- a/drivers/gpu/drm/tilcdc/tilcdc_tfp410.c
+++ b/drivers/gpu/drm/tilcdc/tilcdc_tfp410.c
@@ -167,6 +167,7 @@ struct tfp410_connector {
 static void tfp410_connector_destroy(struct drm_connector *connector)
 {
 	struct tfp410_connector *tfp410_connector = to_tfp410_connector(connector);
+	drm_sysfs_connector_remove(connector);
 	drm_connector_cleanup(connector);
 	kfree(tfp410_connector);
 }
-- 
1.9.1

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