X-Git-Url: http://pileus.org/git/?a=blobdiff_plain;f=kernel%2Fearly_res.c;h=31aa9332ef3f8d4f5447f72a3989cbfd0dc7c6df;hb=b66696e3c0d8fc01efdbc701eba1276618332cb3;hp=3cb2c661bb781ab5468a54e58a106cdb14269a7b;hpb=2a32f2db132264c356aea30a8270d3e68d96c509;p=~andy%2Flinux

diff --git a/kernel/early_res.c b/kernel/early_res.c
index 3cb2c661bb7..31aa9332ef3 100644
--- a/kernel/early_res.c
+++ b/kernel/early_res.c
@@ -333,6 +333,12 @@ void __init free_early_partial(u64 start, u64 end)
 	struct early_res *r;
 	int i;
 
+	if (start == end)
+		return;
+
+	if (WARN_ONCE(start > end, "  wrong range [%#llx, %#llx]\n", start, end))
+		return;
+
 try_next:
 	i = find_overlapped_early(start, end);
 	if (i >= max_early_res)