Since some of xxx_register_driver() can return error we must unregister
already registered drivers.
Signed-off-by: Kulikov Vasiliy <segooon@xxxxxxxxx>
---
drivers/net/depca.c | 29 +++++++++++++++++++++++------
1 files changed, 23 insertions(+), 6 deletions(-)
diff --git a/drivers/net/depca.c b/drivers/net/depca.c
index bf66e9b..44c0694 100644
--- a/drivers/net/depca.c
+++ b/drivers/net/depca.c
@@ -2061,18 +2061,35 @@ static int depca_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
static int __init depca_module_init (void)
{
- int err = 0;
+ int err = 0;
#ifdef CONFIG_MCA
- err = mca_register_driver (&depca_mca_driver);
+ err = mca_register_driver(&depca_mca_driver);
+ if (err)
+ goto err;
#endif
#ifdef CONFIG_EISA
- err |= eisa_driver_register (&depca_eisa_driver);
+ err = eisa_driver_register(&depca_eisa_driver);
+ if (err)
+ goto err_mca;
#endif
- err |= platform_driver_register (&depca_isa_driver);
- depca_platform_probe ();
+ err = platform_driver_register(&depca_isa_driver);
+ if (err)
+ goto err_eisa;
- return err;
+ depca_platform_probe();
+ return 0;
+
+err_eisa:
+#ifdef CONFIG_EISA
+ eisa_driver_unregister(&depca_eisa_driver);
+err_mca:
+#endif
+#ifdef CONFIG_MCA
+ mca_unregister_driver(&depca_mca_driver);
+err:
+#endif
+ return err;
}
static void __exit depca_module_exit (void)
--
1.7.0.4
--
To unsubscribe from this list: send the line "unsubscribe kernel-janitors" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
