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authorPaul Saab <ps@FreeBSD.org>2004-04-14 19:45:07 +0000
committerPaul Saab <ps@FreeBSD.org>2004-04-14 19:45:07 +0000
commitffdf82e1a73fa4f679a44b961f1134602bb898aa (patch)
tree982b8bdeb2dc03d5bc8c385e553e147c113943dd /sys/dev/ciss
parentd8a0a47347a6862a85fc063a4cc77ac11ea02591 (diff)
downloadsrc-ffdf82e1a73fa4f679a44b961f1134602bb898aa.tar.gz
src-ffdf82e1a73fa4f679a44b961f1134602bb898aa.zip
Don't allow the driver to be unloaded if the device node is open.
Notes
Notes: svn path=/head/; revision=128259
Diffstat (limited to 'sys/dev/ciss')
-rw-r--r--sys/dev/ciss/ciss.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/sys/dev/ciss/ciss.c b/sys/dev/ciss/ciss.c
index 0988b3415d4b..367d3ceccba3 100644
--- a/sys/dev/ciss/ciss.c
+++ b/sys/dev/ciss/ciss.c
@@ -428,7 +428,10 @@ ciss_detach(device_t dev)
struct ciss_softc *sc = device_get_softc(dev);
debug_called(1);
-
+
+ if (sc->ciss_flags & CISS_FLAG_CONTROL_OPEN)
+ return (EBUSY);
+
/* flush adapter cache */
ciss_flush_adapter(sc);