Date: Sun, 26 Feb 2006 22:38:39 +0000 (UTC) From: Ian Dowse <iedowse@FreeBSD.org> To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org Subject: cvs commit: src/sys/cam cam_periph.c cam_xpt.c Message-ID: <200602262238.k1QMcdtv043089@repoman.freebsd.org>
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iedowse 2006-02-26 22:38:39 UTC
FreeBSD src repository
Modified files: (Branch: RELENG_6)
sys/cam cam_periph.c cam_xpt.c
Log:
MFC: when deregistering a bus, attempt to flush out all outstanding
operations before returning, and point the bus at a dummy cam_sim
structure. This avoids crashes in camisr() when umass devices are
unplugged during probing.
It may however be better to simply sleep in xpt_bus_deregister()
until all operations have completed, but it is still useful to have
this MFC'd in the meantime.
Approved by: re (scottl)
Revision Changes Path
1.60.2.1 +2 -0 src/sys/cam/cam_periph.c
1.155.2.2 +111 -8 src/sys/cam/cam_xpt.c
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