[PATCH 2/2] libubigen: No need to calculate crc for each ubi_vtbl_record

[Rock Lee]

When create empty volume table, no need to calculate crc for each
record.

Signed-off-by: Rock Lee <RLi at sierrawireless.com>
---
 lib/libubigen.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/lib/libubigen.c b/lib/libubigen.c
index d2a949b..6ad8d5f 100644
--- a/lib/libubigen.c
+++ b/lib/libubigen.c
@@ -66,6 +66,7 @@ void ubigen_info_init(struct ubigen_info *ui, int
peb_size, int min_io_size,
 struct ubi_vtbl_record *ubigen_create_empty_vtbl(const struct ubigen_info *ui)
 {
  struct ubi_vtbl_record *vtbl;
+ uint32_t crc;
  int i;

  vtbl = calloc(1, ui->vtbl_size);
@@ -74,11 +75,9 @@ struct ubi_vtbl_record
*ubigen_create_empty_vtbl(const struct ubigen_info *ui)
  return NULL;
  }

- for (i = 0; i < ui->max_volumes; i++) {
- uint32_t crc = mtd_crc32(UBI_CRC32_INIT, &vtbl[i],
-     UBI_VTBL_RECORD_SIZE_CRC);
+ crc = mtd_crc32(UBI_CRC32_INIT, &vtbl[0], UBI_VTBL_RECORD_SIZE_CRC);
+ for (i = 0; i < ui->max_volumes; i++)
  vtbl[i].crc = cpu_to_be32(crc);
- }

  return vtbl;
 }
-- 
1.9.1