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>

1 files changed, 1 insertions, 7 deletions

diff --git a/drivers/pcmcia/cs.c b/drivers/pcmcia/cs.c
index 9d8b9c1f5a69..f0630a61da90 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);