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In g_disk_providergone(), don't continue if the softc is NULL. This may be

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the case if we've already gone through g_disk_destroy().

Reported by:	Michael Butler <imb@protected-networks.net>
MFC after:	3 days
This commit is contained in:
ken 2012-06-27 16:05:09 +00:00
parent 94f926381b
commit b81d46dab2
1 changed files with 8 additions and 0 deletions
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8
sys/geom/geom_disk.c
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@ -502,6 +502,14 @@ g_disk_providergone(struct g_provider *pp)
struct g_disk_softc *sc;
sc = (struct g_disk_softc *)pp->geom->softc;
/*
* If the softc is already NULL, then we've probably been through
* g_disk_destroy already; there is nothing for us to do anyway.
*/
if (sc == NULL)
return;
dp = sc->dp;
if (dp->d_gone != NULL)