Ticket #3690: fat_mirror.diff

fat.c

@@ -29 +29 @@
 mirror_fats(nspace *vol, uint32 sector, uint8 *buffer)
 {
     uint32 i;
-    char *buf = buffer;
 
     if (!vol->fat_mirrored)
         return B_OK;
@@ -43 +42 @@
 
         blockData = block_cache_get_writable_etc(vol->fBlockCache, sector
             + i * vol->sectors_per_fat, 0, 1, -1);
-        memcpy(blockData, buf, vol->bytes_per_sector);
-        buf += vol->bytes_per_sector;
+        memcpy(blockData, buffer, vol->bytes_per_sector);
         block_cache_put(vol->fBlockCache, sector + i * vol->sectors_per_fat);
     }