Errors are correctly handled in oz_cdev_register() and oz_protocol_init(),
but then they are ignored in ozwpan_init().
Found by Linux Driver Verification project (linuxtesting.org).
Signed-off-by: Alexey Khoroshilov <khoroshilov@xxxxxxxxx>
---
drivers/staging/ozwpan/ozmain.c | 14 ++++++++++++--
1 file changed, 12 insertions(+), 2 deletions(-)
diff --git a/drivers/staging/ozwpan/ozmain.c b/drivers/staging/ozwpan/ozmain.c
index 7d6ef4cadf1a..74ef34815b98 100644
--- a/drivers/staging/ozwpan/ozmain.c
+++ b/drivers/staging/ozwpan/ozmain.c
@@ -34,11 +34,21 @@ MODULE_PARM_DESC(g_net_dev, "The device(s) to bind to; "
*/
static int __init ozwpan_init(void)
{
- oz_cdev_register();
- oz_protocol_init(g_net_dev);
+ int err;
+
+ err = oz_cdev_register();
+ if (err)
+ return err;
+ err = oz_protocol_init(g_net_dev);
+ if (err)
+ goto err_protocol;
oz_app_enable(OZ_APPID_USB, 1);
oz_apps_init();
return 0;
+
+err_protocol:
+ oz_cdev_deregister();
+ return err;
}
/*
--
1.9.1
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