mkswap: check blkid_probe_lookup_values() return [coverity scan]

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

diff --git a/disk-utils/mkswap.c b/disk-utils/mkswap.c
index ae5e589377d67f206477d60caa24e72b94c38210..b963da265e67019ea67580e434ffa6f2d291b2af 100644 (file)
--- a/disk-utils/mkswap.c
+++ b/disk-utils/mkswap.c
@@ -407,10 +407,10 @@ wipe_device(int fd, const char *devname, int force, int is_blkdev)
                        blkid_probe_enable_partitions(pr, 1);
                        blkid_probe_enable_superblocks(pr, 0);
 
-                       if (blkid_do_fullprobe(pr) == 0)
-                               blkid_probe_lookup_value(pr, "PTTYPE",
-                                               (const char **) &type, NULL);
-                       if (type) {
+                       if (blkid_do_fullprobe(pr) == 0 &&
+                           blkid_probe_lookup_value(pr, "PTTYPE",
+                                       (const char **) &type, NULL) == 0 &&
+                           type) {
                                type = xstrdup(type);
                                zap = 0;
                        }