commit b72c80ad0c9e3f795aebd633152afe165020beba
author Wu, Josh <Josh.wu@atmel.com> Thu May 08 16:14:05 2014 +0800
committer Tom Rini <trini@ti.com> Mon May 12 16:31:50 2014 -0400
tree 282d11bdf858e0bb9fecbd48d5be0ac9cdde2fb9
parent 900db5d736824fd52f327b0b2cec580db7c90f3a

fs/fat: add fat12 cluster check

Signed-off-by: Josh Wu <josh.wu@atmel.com>

include/fat.h

diff --git a/include/fat.h b/include/fat.h
index c8eb7cc..65da733 100644
--- a/include/fat.h
+++ b/include/fat.h
@@ -85,7 +85,9 @@
 			+ (mydata->fatsize != 32 ? 0 : \
 			  (FAT2CPU16((dent)->starthi) << 16)))
 #define CHECK_CLUST(x, fatsize) ((x) <= 1 || \
-				(x) >= ((fatsize) != 32 ? 0xfff0 : 0xffffff0))
+				(x) >= ((fatsize) != 32 ? \
+					((fatsize) != 16 ? 0xff0 : 0xfff0) : \
+					0xffffff0))
 
 typedef struct boot_sector {
 	__u8	ignored[3];	/* Bootstrap code */