John Baldwin de66c9a118 Cleanups to *ERR* compat shims.
- Use [u]intptr_t casts to convert pointers to integers.

- Change IS_ERR* to return bool instead of long.

Reviewed by:	manu
Obtained from:	CheriBSD
Sponsored by:	DARPA
Differential Revision:	https://reviews.freebsd.org/D27577
2020-12-17 20:28:53 +00:00
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2020-12-17 20:28:53 +00:00