+diff -uNr u-boot-2012.04.01.orig/fs/fat/fat.c u-boot-2012.04.01/fs/fat/fat.c
+--- u-boot-2012.04.01.orig/fs/fat/fat.c 2012-04-25 08:22:50.000000000 -0500
++++ u-boot-2012.04.01/fs/fat/fat.c 2012-06-19 14:06:16.605337811 -0500
+@@ -90,7 +90,7 @@
+ /* Check for FAT12/FAT16/FAT32 filesystem */
+ if (!memcmp(buffer + DOS_FS_TYPE_OFFSET, "FAT", 3))
+ return 0;
+- if (!memcmp(buffer + DOS_FS32_TYPE_OFFSET, "FAT32", 5))
++ if (!memcmp(buffer + DOS_FS32_TYPE_OFFSET, "FAT", 3))
+ return 0;
+
+ cur_dev = NULL;