* FileMap::Translate() did not choke on negative offsets, and _Cache() does not

necessarily return an error in this case.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@32129 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/system/kernel/cache/file_map.cpp

@@ -393,6 +393,9 @@ status_t
 FileMap::Translate(off_t offset, size_t size, file_io_vec* vecs, size_t* _count,
 	size_t align)
 {
+	if (offset < 0)
+		return B_BAD_VALUE;
+
 	MutexLocker _(fLock);
 
 	size_t maxVecs = *_count;