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lvmetad: Do not try to lock a NULL vgid.

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This commit is contained in:
Petr Rockai 2013-10-09 14:53:58 +02:00
parent 17f3b8280b
commit bcb44281b7
1 changed files with 8 additions and 7 deletions
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15
daemons/lvmetad/lvmetad-core.c
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@ -796,9 +796,9 @@ static response pv_gone(lvmetad_state *s, request r)
pvmeta = dm_hash_lookup(s->pvid_to_pvmeta, pvid);
pvid_old = dm_hash_lookup_binary(s->device_to_pvid, &device, sizeof(device));
char *vgid = dm_strdup(dm_hash_lookup(s->pvid_to_vgid, pvid));
const char *vgid = dm_hash_lookup(s->pvid_to_vgid, pvid);
if (!vgid) {
if (vgid && !(vgid = dm_strdup(vgid))) {
unlock_pvid_to_pvmeta(s);
return reply_fail("out of memory");
}
@ -807,11 +807,12 @@ static response pv_gone(lvmetad_state *s, request r)
dm_hash_remove(s->pvid_to_pvmeta, pvid);
unlock_pvid_to_pvmeta(s);
lock_vg(s, vgid);
vg_remove_if_missing(s, vgid, 1);
unlock_vg(s, vgid);
dm_free(vgid);
if (vgid) {
lock_vg(s, vgid);
vg_remove_if_missing(s, vgid, 1);
unlock_vg(s, vgid);
dm_free(vgid);
}
if (pvid_old)
dm_free(pvid_old);