From: short <>
Date: Fri, 22 Aug 2003 09:31:51 +0000 (+0000)
Subject: captive_shared_cache_map_set_data_valid() validates the subset of the range.
X-Git-Tag: bp_captive~17
X-Git-Url: http://git.jankratochvil.net/?p=captive.git;a=commitdiff_plain;h=acd510f7674bae3bfbb9d1f8a207e9ad159857d1

captive_shared_cache_map_set_data_valid() validates the subset of the range.
 - It validated the superset before - even the bytes not wished to be valid.
---

diff --git a/src/libcaptive/cc/sharedcachemap.c b/src/libcaptive/cc/sharedcachemap.c
index 4dbd2da..c8ecba4 100644
--- a/src/libcaptive/cc/sharedcachemap.c
+++ b/src/libcaptive/cc/sharedcachemap.c
@@ -441,8 +441,9 @@ guint64 now;
 	g_return_if_fail(start<=end);
 	g_return_if_fail(end<=CAPTIVE_ROUND_UP64(captive_shared_cache_map_object->AllocationSize,PAGE_SIZE));
 
-	start=CAPTIVE_ROUND_DOWN64(start,PAGE_SIZE);
-	end=CAPTIVE_ROUND_UP64(end,PAGE_SIZE);
+	start=CAPTIVE_ROUND_UP64(start,PAGE_SIZE);
+	end=CAPTIVE_ROUND_DOWN64(end,PAGE_SIZE);
+	/* We may get end<start here - it is valid to not to validate anything. */
 
 	for (now=start;now<end;now+=PAGE_SIZE) {
 		captive_shared_cache_map_object->pages[now/PAGE_SIZE].data_valid=TRUE;