[PATCH 1/2] libmultipath: fix missing return value check in snprint_devices()

[Martin Wilck]

Coverity scan defect #488155.

Fixes: d041258 ("libmultipath: snprint_devices(): use udev_enumerate")
Signed-off-by: Martin Wilck <mwi...@suse.com>
---
 libmultipath/print.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/libmultipath/print.c b/libmultipath/print.c
index 019ae56..a7306f0 100644
--- a/libmultipath/print.c
+++ b/libmultipath/print.c
@@ -1993,7 +1993,8 @@ int snprint_devices(struct config *conf, struct strbuf 
*buff,
        enm = udev_enumerate_new(udev);
        if (!enm)
                return 1;
-       udev_enumerate_add_match_subsystem(enm, "block");
+       if ((r = udev_enumerate_add_match_subsystem(enm, "block")) < 0)
+               goto out;
 
        if ((r = append_strbuf_str(buff, "available block devices:\n")) < 0)
                goto out;
-- 
2.51.0