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Diffstat (limited to 'common/cmd_usb.c')
-rw-r--r--common/cmd_usb.c12
1 files changed, 4 insertions, 8 deletions
diff --git a/common/cmd_usb.c b/common/cmd_usb.c
index c6b17c2..db2e754 100644
--- a/common/cmd_usb.c
+++ b/common/cmd_usb.c
@@ -311,7 +311,7 @@ int do_usbboot (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
char *boot_device = NULL;
char *ep;
int dev, part=1, rcode;
- ulong addr, cnt, checksum;
+ ulong addr, cnt;
disk_partition_t info;
image_header_t *hdr;
block_dev_desc_t *stor_dev;
@@ -388,23 +388,19 @@ int do_usbboot (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
hdr = (image_header_t *)addr;
- if (ntohl(hdr->ih_magic) != IH_MAGIC) {
+ if (!image_get_magic (hdr)) {
printf("\n** Bad Magic Number **\n");
return 1;
}
- checksum = ntohl(hdr->ih_hcrc);
- hdr->ih_hcrc = 0;
-
- if (crc32 (0, (uchar *)hdr, sizeof(image_header_t)) != checksum) {
+ if (!image_check_hcrc (hdr)) {
puts ("\n** Bad Header Checksum **\n");
return 1;
}
- hdr->ih_hcrc = htonl(checksum); /* restore checksum for later use */
print_image_hdr (hdr);
- cnt = (ntohl(hdr->ih_size) + sizeof(image_header_t));
+ cnt = image_get_image_size (hdr);
cnt += info.blksz - 1;
cnt /= info.blksz;
cnt -= 1;