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qemu: Use short domain name in qemuDomainGetPreservedMountPath

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Otherwise longer domain names might generate paths that are too long
to be created.  This follows what other parts of the code do as well.

Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1453194

Signed-off-by: Martin Kletzander <mkletzan@redhat.com>
This commit is contained in:
Martin Kletzander 2017-08-23 10:39:57 +02:00
parent 5102be52d8
commit f5ef291bdb
1 changed files with 8 additions and 2 deletions
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10
src/qemu/qemu_domain.c
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@ -7827,14 +7827,18 @@ qemuDomainGetPreservedMountPath(virQEMUDriverConfigPtr cfg,
char *path = NULL;
char *tmp;
const char *suffix = mountpoint + strlen(DEVPREFIX);
char *domname = virDomainObjGetShortName(vm->def);
size_t off;
if (!domname)
return NULL;
if (STREQ(mountpoint, "/dev"))
suffix = "dev";
if (virAsprintf(&path, "%s/%s.%s",
cfg->stateDir, vm->def->name, suffix) < 0)
return NULL;
cfg->stateDir, domname, suffix) < 0)
goto cleanup;
/* Now consider that @mountpoint is "/dev/blah/blah2".
* @suffix then points to "blah/blah2". However, caller
@ -7850,6 +7854,8 @@ qemuDomainGetPreservedMountPath(virQEMUDriverConfigPtr cfg,
tmp++;
}
cleanup:
VIR_FREE(domname);
return path;
}