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: android-x86-8.1-r1~4096^2~264^2~3
X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=a971df0b9d04674e325346c17de9a895425ca5e1;p=android-x86%2Fkernel.git

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

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

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Cc: Stable <stable@vger.kernel.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
---

diff --git a/drivers/bcma/main.c b/drivers/bcma/main.c
index 2c1798e38abd..38688236b3cd 100644
--- a/drivers/bcma/main.c
+++ b/drivers/bcma/main.c
@@ -633,8 +633,11 @@ 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;
 }
@@ -647,6 +650,7 @@ static int bcma_device_remove(struct device *dev)
 
 	if (adrv->remove)
 		adrv->remove(core);
+	put_device(dev);
 
 	return 0;
 }