D54739.diff
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D54739.diff
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	diff --git a/usr.sbin/bhyve/pci_passthru.c b/usr.sbin/bhyve/pci_passthru.c
	--- a/usr.sbin/bhyve/pci_passthru.c
	+++ b/usr.sbin/bhyve/pci_passthru.c
	@@ -132,13 +132,14 @@
	}

	static int
	-pcifd_open(void)
	+pcifd_open(int flags)
	{
	int fd;

	- fd = open(_PATH_DEVPCI, O_RDWR, 0);
	+ fd = open(_PATH_DEVPCI, flags, 0);
	if (fd < 0) {
	- warn("failed to open %s", _PATH_DEVPCI);
	+ if (errno != EACCES)
	+ warn("failed to open %s", _PATH_DEVPCI);
	return (-1);
	}
	return (fd);
	@@ -147,7 +148,7 @@
	static int
	pcifd_init(void)
	{
	- pcifd = pcifd_open();
	+ pcifd = pcifd_open(O_RDWR);
	if (pcifd < 0)
	return (1);

	@@ -194,7 +195,7 @@
	uint32_t ret;
	int fd;

	- fd = pcifd_open();
	+ fd = pcifd_open(O_RDONLY);
	if (fd < 0)
	return (0);
	ret = host_read_config(fd, sel, reg, width);
	@@ -230,7 +231,7 @@
	{
	int fd;

	- fd = pcifd_open();
	+ fd = pcifd_open(O_RDWR);
	if (fd < 0)
	return;
	host_write_config(fd, sel, reg, width, data);