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bhyve: use correct size to map the OpRegion

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We're already converting the size reported by the OpRegion header from
kilobytes to bytes. We don't have to do that twice when mapping the OpRegion.

Reviewed by:		markj
MFC after:		1 week
Sponsored by:		Beckhoff Automation GmbH & Co. KG
Differential Revision:	https://reviews.freebsd.org/D45334
This commit is contained in:
Corvin Köhne 2023-12-18 13:44:04 +01:00
parent 41ee91c64f
commit 5e09c5a1ed
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1 changed files with 2 additions and 2 deletions
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4
usr.sbin/bhyve/amd64/pci_gvt-d.c
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@ -222,8 +222,8 @@ gvt_d_setup_opregion(struct pci_devinst *const pi)
opregion->len = header->size * KB;
munmap(header, sizeof(*header));
opregion->hva = mmap(NULL, opregion->len * KB, PROT_READ, MAP_SHARED,
memfd, opregion->hpa);
opregion->hva = mmap(NULL, opregion->len, PROT_READ, MAP_SHARED, memfd,
opregion->hpa);
if (opregion->hva == MAP_FAILED) {
warn("%s: Unable to map host OpRegion", __func__);
close(memfd);