diff --git a/lib/commands/toolcontext.c b/lib/commands/toolcontext.c
index c42a0bf21..8f06285fa 100644
--- a/lib/commands/toolcontext.c
+++ b/lib/commands/toolcontext.c
@@ -777,6 +777,9 @@ static int _init_dev_cache(struct cmd_context *cmd)
 					udev_dir_len != len;
 
 			if (len_diff || strncmp(DM_UDEV_DEV_DIR, cv->v.str, len)) {
+				log_very_verbose("Non standard udev dir %s, resetting "
+						 "devices/obtain_device_list_from_udev.",
+						 cv->v.str);
 				device_list_from_udev = 0;
 				init_obtain_device_list_from_udev(0);
 			}
diff --git a/lib/config/config.c b/lib/config/config.c
index ad02f5fb3..e999fc697 100644
--- a/lib/config/config.c
+++ b/lib/config/config.c
@@ -64,8 +64,10 @@ struct dm_config_tree *config_file_open(const char *filename, int keep_open)
 	if (!cft)
 		return NULL;
 
-	cf = dm_pool_zalloc(cft->mem, sizeof(struct config_file));
-	if (!cf) goto fail;
+	if (!(cf = dm_pool_zalloc(cft->mem, sizeof(struct config_file)))) {
+		log_error("Failed to allocate condig tree.");
+		goto fail;
+	}
 
 	cf->keep_open = keep_open;
 	dm_config_set_custom(cft, cf);
diff --git a/lib/filters/filter-persistent.c b/lib/filters/filter-persistent.c
index bec396b22..0d53fce42 100644
--- a/lib/filters/filter-persistent.c
+++ b/lib/filters/filter-persistent.c
@@ -103,8 +103,8 @@ int persistent_filter_load(struct dev_filter *f, struct dm_config_tree **cft_out
 
 	if (obtain_device_list_from_udev()) {
 		if (!stat(pf->file, &info)) {
-			log_very_verbose("Obtaining device list from "
-					 "udev. Removing obolete %s.",
+			log_very_verbose("Obtaining device list from udev. "
+					 "Removing obsolete %s.",
 					 pf->file);
 			if (unlink(pf->file) < 0 && errno != EROFS)
 				log_sys_error("unlink", pf->file);