boot-directdisk.bbclass: remove HDDIMG before create

Fixed when rebuild:
mkdosfs: file /path/to/hdd.image already exists

(From OE-Core rev: 9abcd309c098558360cde2bff65be840ead25f83)

Signed-off-by: Robert Yang <liezhi.yang@windriver.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 2 insertions, 0 deletions

diff --git a/meta/classes/boot-directdisk.bbclass b/meta/classes/boot-directdisk.bbclass
index 600e21abcf..b324d89020 100644
--- a/meta/classes/boot-directdisk.bbclass
+++ b/meta/classes/boot-directdisk.bbclass
@@ -121,6 +121,8 @@ build_boot_dd() {
         # done in blocks, thus the mod by 16 instead of 32.
         BLOCKS=$(expr $BLOCKS + $(expr 16 - $(expr $BLOCKS % 16)))
 
+        # Remove it since mkdosfs would fail when it exists
+        rm -f $HDDIMG
         mkdosfs -n ${BOOTDD_VOLUME_ID} -S 512 -C $HDDIMG $BLOCKS 
         mcopy -i $HDDIMG -s $HDDDIR/* ::/