Fix a few issues related to the XPT_GDEV_ADVINFO CCB.

camcontrol.c:	In buildbusdevlist(), don't attempt to get call
		getdevid() for an unconfigured device, even when the
		verbose flag is set.  The cam_open_btl() call will almost
		certainly fail.

		Probe for the buffer size when issuing the XPT_GDEV_ADVINFO
		CCB.  Probing for the buffer size first helps us avoid
		allocating the maximum buffer size when it really may not
		be necessary.  This also helps avoid errors from
		cam_periph_mapmem() if we attempt to map more than MAXPHYS.

cam_periph.c:	In cam_periph_mapmem(), if the XPT_GDEV_ADVINFO CCB
		shows a bufsiz of 0, we don't have anything to map,
		so just return.

		Also, set the maximum mapping size to MAXPHYS
		instead of DFLTPHYS for XPT_GDEV_ADVINFO CCBs,
		since they don't actually go down to the hardware.

scsi_pass.c:	Don't bother mapping the buffer in XPT_GDEV_ADVINFO
		CCBs if bufsiz is 0.

0 files changed, 0 insertions, 0 deletions