diff --git a/fs/pstore/blk.c b/fs/pstore/blk.c
index de8cf5d75f34d5805e0bf0cdfc322728176c4fba..65b2473e22ff9c827e2b15d736c9fb2dbc363019 100644
--- a/fs/pstore/blk.c
+++ b/fs/pstore/blk.c
@@ -241,7 +241,7 @@ static int __register_pstore_blk(struct pstore_device_info *dev,
 /* get information of pstore/blk */
 int pstore_blk_get_config(struct pstore_blk_config *info)
 {
-	strncpy(info->device, blkdev, 80);
+	strscpy(info->device, blkdev);
 	info->max_reason = max_reason;
 	info->kmsg_size = check_size(kmsg_size, 4096);
 	info->pmsg_size = check_size(pmsg_size, 4096);