1 files changed, 6 insertions, 4 deletions

diff --git a/block/genhd.c b/block/genhd.c
index df9816ede75b..9cf5583c90ff 100644
--- a/block/genhd.c
+++ b/block/genhd.c
@@ -743,7 +743,7 @@ void __init printk_all_partitions(void)
                 struct hd_struct *part;
                 char name_buf[BDEVNAME_SIZE];
                 char devt_buf[BDEVT_SIZE];
-                u8 uuid[PARTITION_META_INFO_UUIDLTH * 2 + 1];
+                char uuid_buf[PARTITION_META_INFO_UUIDLTH * 2 + 5];
 
                 /*
                  * Don't show empty devices or things that have been
@@ -762,14 +762,16 @@ void __init printk_all_partitions(void)
                 while ((part = disk_part_iter_next(&piter))) {
                         bool is_part0 = part == &disk->part0;
 
-                        uuid[0] = 0;
+                        uuid_buf[0] = '\0';
                         if (part->info)
-                                part_unpack_uuid(part->info->uuid, uuid);
+                                snprintf(uuid_buf, sizeof(uuid_buf), "%pU",
+                                         part->info->uuid);
 
                         printk("%s%s %10llu %s %s", is_part0 ? "" : "  ",
                                bdevt_str(part_devt(part), devt_buf),
                                (unsigned long long)part->nr_sects >> 1,
-                               disk_name(disk, part->partno, name_buf), uuid);
+                               disk_name(disk, part->partno, name_buf),
+                               uuid_buf);
                         if (is_part0) {
                                 if (disk->driverfs_dev != NULL &&
                                     disk->driverfs_dev->driver != NULL)