Staging: Beceem: use after free in bcm_exit()
We can't call class_destroy() until after the driver has been deregistered.
It leads to a NULL deref on module unload.
Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/staging/bcm/InterfaceInit.c b/drivers/staging/bcm/InterfaceInit.c
index dd82940..b4d2256 100644
--- a/drivers/staging/bcm/InterfaceInit.c
+++ b/drivers/staging/bcm/InterfaceInit.c
@@ -658,9 +658,8 @@
static __exit void bcm_exit(void)
{
- class_destroy(bcm_class);
-
usb_deregister(&usbbcm_driver);
+ class_destroy(bcm_class);
}
module_init(bcm_init);