>> 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
