[v2] drm/amdkfd: Fix memory leaks according to error branches

[Markus Elfring]

> memleak is also not an English word.  Memory leak is only a few more
> characters, and doesn't require the reader to make the small extra effort
> to figure out what you mean.

Would you like to achieve similar adjustments at any more places?

How do you think about effects from a corresponding jargon?
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/drivers/gpu/drm/msm/msm_submitqueue.c?id=177d3819633cd520e3f95df541a04644aab4c657

Regards,
Markus