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Index: sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_geom.c
===================================================================
--- sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_geom.c
+++ sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_geom.c
@@ -415,9 +415,10 @@
* least one valid label was found.
*/
static int
-vdev_geom_read_config(struct g_consumer *cp, nvlist_t **config)
+vdev_geom_read_config(struct g_consumer *cp, nvlist_t **configp)
{
struct g_provider *pp;
+ nvlist_t *config;
vdev_phys_t *vdev_lists[VDEV_LABELS];
char *buf;
size_t buflen;
@@ -442,7 +443,6 @@
buflen = sizeof(vdev_lists[0]->vp_nvlist);
- *config = NULL;
/* Create all of the IO requests */
for (l = 0; l < VDEV_LABELS; l++) {
cmds[l] = BIO_READ;
@@ -458,6 +458,7 @@
VDEV_LABELS);
/* Parse the labels */
+ config = *configp = NULL;
nlabels = 0;
for (l = 0; l < VDEV_LABELS; l++) {
if (errors[l] != 0)
@@ -465,25 +466,27 @@
buf = vdev_lists[l]->vp_nvlist;
- if (nvlist_unpack(buf, buflen, config, 0) != 0)
+ if (nvlist_unpack(buf, buflen, &config, 0) != 0)
continue;
- if (nvlist_lookup_uint64(*config, ZPOOL_CONFIG_POOL_STATE,
+ if (nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_STATE,
&state) != 0 || state > POOL_STATE_L2CACHE) {
- nvlist_free(*config);
- *config = NULL;
+ nvlist_free(config);
continue;
}
if (state != POOL_STATE_SPARE &&
state != POOL_STATE_L2CACHE &&
- (nvlist_lookup_uint64(*config, ZPOOL_CONFIG_POOL_TXG,
+ (nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_TXG,
&txg) != 0 || txg == 0)) {
- nvlist_free(*config);
- *config = NULL;
+ nvlist_free(config);
continue;
}
+ if (*configp != NULL)
+ nvlist_free(*configp);
+ *configp = config;
+
nlabels++;
}

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