From: Hannes Reinecke <hare@suse.de>
Date: Thu, 24 Jun 2021 14:28:52 +0000 (+0200)
Subject: tree: add error logging when failing to lookup subsystem name
X-Git-Tag: v1.0-rc0~121^2~6
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=61f436dc535106d45d4d13454dfc9938628bb344;p=users%2Fsagi%2Flibnvme.git

tree: add error logging when failing to lookup subsystem name

Signed-off-by: Hannes Reinecke <hare@suse.de>
---

diff --git a/src/nvme/tree.c b/src/nvme/tree.c
index 7fa4f262..a0631ccb 100644
--- a/src/nvme/tree.c
+++ b/src/nvme/tree.c
@@ -1067,7 +1067,15 @@ int nvme_init_ctrl(nvme_host_t h, nvme_ctrl_t c, int instance)
 		ret = -1;
 		goto out_free_name;
 	}
+	free(path);
 	subsys_name = nvme_ctrl_lookup_subsystem_name(c);
+	if (!subsys_name) {
+		nvme_msg(LOG_ERR, "Failed to lookup subsystem name for %s\n",
+			 c->name);
+		errno = ENXIO;
+		ret = -1;
+		goto out_free_name;
+	}
 	s = nvme_lookup_subsystem(h, subsys_name, c->subsysnqn);
 	if (!s) {
 		errno = ENXIO;