Signed-off-by: Martin Wilck <[email protected]>
---
libmultipath/foreign/nvme.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/libmultipath/foreign/nvme.c b/libmultipath/foreign/nvme.c
index f0e8293..7e654ec 100644
--- a/libmultipath/foreign/nvme.c
+++ b/libmultipath/foreign/nvme.c
@@ -249,8 +249,10 @@ static int snprint_nvme_path(const struct gen_path *gp,
devt = udev_device_get_devnum(np->udev);
return snprintf(buff, len, "%u:%u", major(devt), minor(devt));
case 'o':
- sysfs_attr_get_value(np->ctl, "state", fld, sizeof(fld));
- return snprintf(buff, len, "%s", fld);
+ if (sysfs_attr_get_value(np->ctl, "state",
+ fld, sizeof(fld)) > 0)
+ return snprintf(buff, len, "%s", fld);
+ break;
case 'T':
if (sysfs_attr_get_value(np->udev, "ana_state", fld,
sizeof(fld)) > 0)
--
2.19.2
--
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