findmnt: check mnt_tab_next_fs() return code [coverity scan]

Signed-off-by: Karel Zak <kzak@redhat.com>

diff --git a/misc-utils/findmnt.c b/misc-utils/findmnt.c
index f81a0c87fc8f162791c6cb8ed9c2fa546948142b..d1c5a48809b96302ab4549f3d12d6886f8c2b78d 100644 (file)
--- a/misc-utils/findmnt.c
+++ b/misc-utils/findmnt.c
@@ -425,7 +425,8 @@ static struct libmnt_fs *get_next_fs(struct libmnt_table *tb,
                /*
                 * Print whole file
                 */
-               mnt_table_next_fs(tb, itr, &fs);
+               if (mnt_table_next_fs(tb, itr, &fs) != 0)
+                       return NULL;
 
        } else if (is_mount_compatible_mode()) {
                /*