Author: grehan
Date: Mon Feb 23 22:31:39 2015
New Revision: 279220
URL: https://svnweb.freebsd.org/changeset/base/279220
Log:
Don't close a block context if it couldn't be opened,
for example if the backing file doesn't exist,
avoiding a null deref.
Reviewed by: neel
MFC after: 1 week.
Modified:
head/usr.sbin/bhyve/pci_ahci.c
Modified: head/usr.sbin/bhyve/pci_ahci.c
==============================================================================
--- head/usr.sbin/bhyve/pci_ahci.c Mon Feb 23 21:59:30 2015
(r279219)
+++ head/usr.sbin/bhyve/pci_ahci.c Mon Feb 23 22:31:39 2015
(r279220)
@@ -1968,7 +1968,8 @@ pci_ahci_init(struct vmctx *ctx, struct
open_fail:
if (ret) {
- blockif_close(sc->port[0].bctx);
+ if (sc->port[0].bctx != NULL)
+ blockif_close(sc->port[0].bctx);
free(sc);
}
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