fat: fix reading a wrong FAT value

Signed-off-by: Donggeun Kim <dg77.kim@samsung.com>

diff --git a/fs/fat/fat.c b/fs/fat/fat.c
index 05e3281..c22f657 100644 (file)
--- a/fs/fat/fat.c
+++ b/fs/fat/fat.c
@@ -88,7 +88,7 @@ static int disk_write (__u32 startblock, __u32 getsize, __u8 * bufptr)
                return -1;
 
        if (startblock + getsize > total_sector) {
-               debug("error: overflow occurs\n");
+               printf("error: overflow occurs\n");
                return -1;
        }
 
@@ -390,8 +390,8 @@ static __u32 get_fatent (fsdata *mydata, __u32 entry)
                }
                break;
        }
-       debug("FAT%d: ret: %08x, offset: %04x\n",
-              mydata->fatsize, ret, offset);
+       debug("FAT%d: ret: %08x, entry: %08x, offset: %04x\n",
+              mydata->fatsize, ret, entry, offset);
 
        return ret;
 }
@@ -1013,7 +1013,11 @@ do_fat_read (const char *filename, void *buffer, unsigned long maxsize,
                debug("Error: reading boot sector\n");
                return -1;
        }
-
+#ifdef CONFIG_FAT_WRITE
+       if (total_sector == 0) {
+               total_sector = next_part_offset - part_offset;
+       }
+#endif
        root_cluster = bs.root_cluster;
 
        if (mydata->fatsize == 32)