On 05/17/2018 09:20 AM, Greg KH wrote: >> + file_data = kzalloc(sizeof(*file_data), GFP_KERNEL); >> + if (!file_data) >> + return -ENOMEM; >> + >> + pr_debug("%s - called\n", __func__); > Please do not add "tracing" functions like this. The kernel has a > wonderful built-in function tracing functionality, don't try to write > your own. These lines should just be removed. but pr_debug() works great with DYNAMIC_DEBUG. Someone does not need to go all the way to tracing to get decent debug capability. -- ~Randy -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html