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authorDominik Brodowski <linux@dominikbrodowski.net>2010-01-03 00:59:15 +0300
committerDominik Brodowski <linux@dominikbrodowski.net>2010-01-17 20:31:00 +0300
commit593f010bc0d8f7fde2ce948cac3f77f6a3d9db2b (patch)
treea8ceda9b2678714e5c2253e67dcab209e7ba60c0 /drivers/pcmcia/cs.c
parent3f32b3c093eddc03ed477ae0d7a6938db6b94a05 (diff)
downloadlinux-593f010bc0d8f7fde2ce948cac3f77f6a3d9db2b.tar.xz
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>
Diffstat (limited to 'drivers/pcmcia/cs.c')
-rw-r--r--drivers/pcmcia/cs.c8
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);