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-rw-r--r--fs/fat/fat.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/fs/fat/fat.c b/fs/fat/fat.c
index a344469003a..d5aded420d5 100644
--- a/fs/fat/fat.c
+++ b/fs/fat/fat.c
@@ -209,16 +209,17 @@ static __u32 get_fatent (fsdata *mydata, __u32 entry)
/* Read a new block of FAT entries into the cache. */
if (bufnum != mydata->fatbufnum) {
- __u32 getsize = FATBUFSIZE / mydata->sect_size;
+ __u32 getsize = FATBUFBLOCKS;
__u8 *bufptr = mydata->fatbuf;
__u32 fatlength = mydata->fatlength;
__u32 startblock = bufnum * FATBUFBLOCKS;
+ if (getsize > fatlength)
+ getsize = fatlength;
+
fatlength *= mydata->sect_size; /* We want it in bytes now */
startblock += mydata->fat_sect; /* Offset from start of disk */
- if (getsize > fatlength)
- getsize = fatlength;
if (disk_read(startblock, getsize, bufptr) < 0) {
debug("Error reading FAT blocks\n");
return ret;