X-Git-Url: https://git.sven.stormbind.net/?p=sven%2Fexfatprogs.git;a=blobdiff_plain;f=lib%2Flibexfat.c;fp=lib%2Flibexfat.c;h=4fd4ac6686e37dcf8a8aa0b6e5b2e1b7ee8019a5;hp=d7c1df1ca655d34400c30d9e5aef80e54f63d8dc;hb=0a7a8b470671035ad0c2d8dc0d7714d06921273d;hpb=03290761e3849db9b13d2d3b176b36ab31c395bb

diff --git a/lib/libexfat.c b/lib/libexfat.c
index d7c1df1..4fd4ac6 100644
--- a/lib/libexfat.c
+++ b/lib/libexfat.c
@@ -15,6 +15,7 @@
 #include <errno.h>
 #include <wchar.h>
 #include <limits.h>
+#include <assert.h>
 
 #include "exfat_ondisk.h"
 #include "libexfat.h"
@@ -748,8 +749,7 @@ off_t exfat_s2o(struct exfat *exfat, off_t sect)
 
 off_t exfat_c2o(struct exfat *exfat, unsigned int clus)
 {
-	if (clus < EXFAT_FIRST_CLUSTER)
-		return ~0L;
+	assert(clus >= EXFAT_FIRST_CLUSTER);
 
 	return exfat_s2o(exfat, le32_to_cpu(exfat->bs->bsx.clu_offset) +
 				((off_t)(clus - EXFAT_FIRST_CLUSTER) <<