Re: [PATCH 2/2] virtiofs: Improve error handling in virtio_fs_get_tree()

From: Markus Elfring
Date: Fri Dec 29 2023 - 04:10:45 EST


>> The kfree() function was called in two cases by
>> the virtio_fs_get_tree() function during error handling
>> even if the passed variable contained a null pointer.
>
> So what? kfree(NULL) is perfectly acceptable.

I suggest to reconsider the usefulness of such a special function call.


> Are you trying to optimise an error path?

I would appreciate if further improvements can be achieved.
https://wiki.sei.cmu.edu/confluence/display/c/MEM12-C.+Consider+using+a+goto+chain+when+leaving+a+function+on+error+when+using+and+releasing+resources

Regards,
Markus