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qemu: fix use-after-free when parsing NBD disk

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disk->src is still used for disks->hosts->name, do not free it.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Eric Blake <eblake@redhat.com>
This commit is contained in:
Paolo Bonzini 2013-02-25 18:44:20 +01:00 committed by Eric Blake
parent 5b17c7a954
commit 0a562de1ff
1 changed files with 2 additions and 3 deletions
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5
src/qemu/qemu_command.c
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@ -8832,12 +8832,11 @@ virDomainDefPtr qemuParseCommandLine(virCapsPtr qemuCaps,
if (VIR_ALLOC(disk->hosts) < 0)
goto no_memory;
disk->nhosts = 1;
disk->hosts->name = host;
disk->hosts->name = disk->src;
disk->src = NULL;
disk->hosts->port = strdup(port);
if (!disk->hosts->port)
goto no_memory;
VIR_FREE(disk->src);
disk->src = NULL;
break;
case VIR_DOMAIN_DISK_PROTOCOL_RBD:
/* old-style CEPH_ARGS env variable is parsed later */