From: Rafał Miłecki <rafal@milecki.pl>
Date: Sat, 28 Jan 2017 13:31:22 +0000 (+0100)
Subject: bcma: use (get|put)_device when probing/removing device driver
X-Git-Tag: v3.12.72~21
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=47515a848a8a5466239d17cb516a144f26163533;p=thirdparty%2Fkernel%2Fstable.git

bcma: use (get|put)_device when probing/removing device driver

commit a971df0b9d04674e325346c17de9a895425ca5e1 upstream.

This allows tracking device state and e.g. makes devm work as expected.

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
---

diff --git a/drivers/bcma/main.c b/drivers/bcma/main.c
index 90ee350442a99..04f4e89edce56 100644
--- a/drivers/bcma/main.c
+++ b/drivers/bcma/main.c
@@ -451,8 +451,11 @@ static int bcma_device_probe(struct device *dev)
 					       drv);
 	int err = 0;
 
+	get_device(dev);
 	if (adrv->probe)
 		err = adrv->probe(core);
+	if (err)
+		put_device(dev);
 
 	return err;
 }
@@ -465,6 +468,7 @@ static int bcma_device_remove(struct device *dev)
 
 	if (adrv->remove)
 		adrv->remove(core);
+	put_device(dev);
 
 	return 0;
 }