From ace7d4772cf056d9b13b51bd496a8be968774592 Mon Sep 17 00:00:00 2001 From: Randy Dunlap Date: Fri, 20 Oct 2006 14:44:12 -0700 Subject: [PATCH] pcmcia/ds: driver layer error checking Check driver layer return values in pcmcia/ds.c Signed-off-by: Randy Dunlap Signed-off-by: Andrew Morton Signed-off-by: Dominik Brodowski --- drivers/pcmcia/ds.c | 16 ++++++++++++++-- 1 file changed, 14 insertions(+), 2 deletions(-) (limited to 'drivers/pcmcia/ds.c') diff --git a/drivers/pcmcia/ds.c b/drivers/pcmcia/ds.c index 74b3124e8247..af392bfee5a6 100644 --- a/drivers/pcmcia/ds.c +++ b/drivers/pcmcia/ds.c @@ -1292,10 +1292,22 @@ struct bus_type pcmcia_bus_type = { static int __init init_pcmcia_bus(void) { + int ret; + spin_lock_init(&pcmcia_dev_list_lock); - bus_register(&pcmcia_bus_type); - class_interface_register(&pcmcia_bus_interface); + ret = bus_register(&pcmcia_bus_type); + if (ret < 0) { + printk(KERN_WARNING "pcmcia: bus_register error: %d\n", ret); + return ret; + } + ret = class_interface_register(&pcmcia_bus_interface); + if (ret < 0) { + printk(KERN_WARNING + "pcmcia: class_interface_register error: %d\n", ret); + bus_unregister(&pcmcia_bus_type); + return ret; + } pcmcia_setup_ioctl(); -- cgit v1.2.3