K 10
svn:author
V 2
mp
K 8
svn:date
V 27
2021-10-17T18:51:19.737574Z
K 7
svn:log
V 711
vmci: fix panic due to freeing unallocated resources

Summary:
An error mapping PCI resources results in a panic due to unallocated
resources being freed up. This change puts the appropriate checks in
place to prevent the panic.

PR:		252445
Reported by:	Marek Zarychta <zarychtam@plan-b.pwste.edu.pl>
Tested by:	marcus
MFC after:	1 week
Sponsored by:	VMware

Test Plan:
Along with user testing, also simulated error by inserting a ENXIO
return in vmci_map_bars().

Reviewed by:	marcus
Subscribers:	imp
Differential Revision: https://reviews.freebsd.org/D32016

(cherry picked from commit 0f14bcbe384091c729464cb770372aeb79061070)

Git Hash:   b5d236785dc352a65bc29d97c8a89b40387eb7a0
Git Author: mp@FreeBSD.org
END