zns: fix showing system error in report_zones

If nvme_zns_report_zones() returns system error(negative) value, it
should not be passed to nvme_show_status() which parses NVMe completion
status code in case of positive value from the ioctl.

Signed-off-by: Minwoo Im <minwoo.im.dev@gmail.com>

diff --git a/plugins/zns/zns.c b/plugins/zns/zns.c
index 1287c97528173e314c971743fd950793092d4ebe..26b3f90d0ad69ddebc822412fc210d52db7b2113 100644 (file)
--- a/plugins/zns/zns.c
+++ b/plugins/zns/zns.c
@@ -618,9 +618,12 @@ static int report_zones(int argc, char **argv, struct command *cmd, struct plugi
 
                err = nvme_zns_report_zones(fd, cfg.namespace_id, 0,
                        0, cfg.state, 0, sizeof(r), &r);
-               if (err) {
+               if (err > 0) {
                        nvme_show_status(err);
                        goto close_fd;
+               } else if (err < 0) {
+                       perror("zns report-zones");
+                       goto close_fd;
                }
                cfg.num_descs = le64_to_cpu(r.nr_zones);
        }