linux-kernel - [PATCH v2] misc/pvpanic: fix set driver data

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Date:   Thu, 19 Aug 2021 16:41:21 +0300
From:   Mihai Carabas <mihai.carabas@...cle.com>
To:     arnd@...db.de, gregkh@...uxfoundation.org,
        andriy.shevchenko@...ux.intel.com, christophe.jaillet@...adoo.fr,
        mihai.carabas@...cle.com, linux-kernel@...r.kernel.org
Subject: [PATCH v2] misc/pvpanic: fix set driver data

Add again dev_set_drvdata(), but this time in devm_pvpanic_probe(), in order
for dev_get_drvdata() to not return NULL.

Fixes: 394febc9d0a6 ("misc/pvpanic: Make 'pvpanic_probe()' resource managed")
Signed-off-by: Mihai Carabas <mihai.carabas@...cle.com>
---
 drivers/misc/pvpanic/pvpanic.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/misc/pvpanic/pvpanic.c b/drivers/misc/pvpanic/pvpanic.c
index 02b807c..6ce48ce 100644
--- a/drivers/misc/pvpanic/pvpanic.c
+++ b/drivers/misc/pvpanic/pvpanic.c
@@ -81,6 +81,8 @@ int devm_pvpanic_probe(struct device *dev, struct pvpanic_instance *pi)
 	if (!pi || !pi->base)
 		return -EINVAL;
 
+	dev_set_drvdata(dev, pi);
+
 	spin_lock(&pvpanic_lock);
 	list_add(&pi->list, &pvpanic_list);
 	spin_unlock(&pvpanic_lock);
-- 
1.8.3.1