diff options
| -rw-r--r-- | fs/fat/fat.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/fs/fat/fat.c b/fs/fat/fat.c index a344469..d5aded4 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; |