bcm_init() does not have proper error handling of usb_register().
The patch implements one.
Found by Linux Driver Verification project (linuxtesting.org).
Signed-off-by: Alexey Khoroshilov <khoroshilov@xxxxxxxxx>
---
drivers/staging/bcm/InterfaceInit.c | 12 +++++++++++-
1 file changed, 11 insertions(+), 1 deletion(-)
diff --git a/drivers/staging/bcm/InterfaceInit.c b/drivers/staging/bcm/InterfaceInit.c
index 8f85de6..0049890 100644
--- a/drivers/staging/bcm/InterfaceInit.c
+++ b/drivers/staging/bcm/InterfaceInit.c
@@ -669,6 +669,8 @@ struct class *bcm_class;
static __init int bcm_init(void)
{
+ int retval;
+
printk(KERN_INFO "%s: %s, %s\n", DRV_NAME, DRV_DESCRIPTION, DRV_VERSION);
printk(KERN_INFO "%s\n", DRV_COPYRIGHT);
@@ -678,7 +680,15 @@ static __init int bcm_init(void)
return PTR_ERR(bcm_class);
}
- return usb_register(&usbbcm_driver);
+ retval = usb_register(&usbbcm_driver);
+ if (retval < 0) {
+ printk(KERN_ERR DRV_NAME ": could not register usb driver\n");
+ goto out_class;
+ }
+ return 0;
+out_class:
+ class_destroy(bcm_class);
+ return retval;
}
static __exit void bcm_exit(void)
--
1.7.9.5
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