Re: USB: hub: Delete an error message for a failed memory allocation in usb_hub_clear_tt_buffer()
- Date: Wed, 6 Dec 2017 22:33:26 +0100
- From: SF Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
- Subject: Re: USB: hub: Delete an error message for a failed memory allocation in usb_hub_clear_tt_buffer()
>>> Does the existing memory allocation error message include the
>>> &udev->dev device name and driver name? If it doesn't, there will be
>>> no way for the user to tell that the error message is related to the
>>> device failure.
>> No, but the effect is similar.
>> OOM does a dump_stack() so this function's call tree is shown.
> A call stack doesn't tell you which device was being handled.
Do you find a default Linux allocation failure report insufficient then?
Would you like to to achieve that the requested information can be determined
from a backtrace?