svn commit: r250900 - head/sys/dev/mps
Alexander Motin
mav at FreeBSD.org
Wed May 22 02:15:08 UTC 2013
Author: mav
Date: Wed May 22 02:15:07 2013
New Revision: 250900
URL: http://svnweb.freebsd.org/changeset/base/250900
Log:
Fix NULL-dereference kernel panic in case of mps_attach() failure.
MFC after: 1 week
Modified:
head/sys/dev/mps/mps_user.c
Modified: head/sys/dev/mps/mps_user.c
==============================================================================
--- head/sys/dev/mps/mps_user.c Wed May 22 01:03:41 2013 (r250899)
+++ head/sys/dev/mps/mps_user.c Wed May 22 02:15:07 2013 (r250900)
@@ -208,8 +208,8 @@ mps_detach_user(struct mps_softc *sc)
{
/* XXX: do a purge of pending requests? */
- destroy_dev(sc->mps_cdev);
-
+ if (sc->mps_cdev != NULL)
+ destroy_dev(sc->mps_cdev);
}
static int
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