From 593f010bc0d8f7fde2ce948cac3f77f6a3d9db2b Mon Sep 17 00:00:00 2001
From: Dominik Brodowski <linux@dominikbrodowski.net>
Date: Sat, 2 Jan 2010 22:59:15 +0100
Subject: pcmcia: do not lock socket driver module in pcmcia_get_socket()

Do not lock the socket driver module in pcmcia_get_socket(), as
the PCMCIA core can handle a socket module removal: In
pcmcia_unregister_socket(), we explicitely wait for the last
put_device() to succeed.

Tested-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>

diff --git a/drivers/pcmcia/cs.c b/drivers/pcmcia/cs.c
index 9d8b9c1..f0630a6 100644
--- a/drivers/pcmcia/cs.c
+++ b/drivers/pcmcia/cs.c
@@ -140,19 +140,13 @@ struct pcmcia_socket *pcmcia_get_socket(struct pcmcia_socket *skt)
 	struct device *dev = get_device(&skt->dev);
 	if (!dev)
 		return NULL;
-	skt = dev_get_drvdata(dev);
-	if (!try_module_get(skt->owner)) {
-		put_device(&skt->dev);
-		return NULL;
-	}
-	return skt;
+	return dev_get_drvdata(dev);
 }
 EXPORT_SYMBOL(pcmcia_get_socket);
 
 
 void pcmcia_put_socket(struct pcmcia_socket *skt)
 {
-	module_put(skt->owner);
 	put_device(&skt->dev);
 }
 EXPORT_SYMBOL(pcmcia_put_socket);
-- 
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