ubiattach: add option -O

Some images do not have the default VID offset. The option -O must
be used to attach such images.

Signed-off-by: Micke Prag <micke.prag@telldus.se>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

1 files changed, 8 insertions, 4 deletions

diff --git a/miscutils/ubi_tools.c b/miscutils/ubi_tools.c
index 6c09fe534..dd1bda300 100644
--- a/miscutils/ubi_tools.c
+++ b/miscutils/ubi_tools.c
@@ -105,6 +105,7 @@ int ubi_tools_main(int argc UNUSED_PARAM, char **argv)
         int mtd_num;
         int dev_num = UBI_DEV_NUM_AUTO;
         int vol_id = UBI_VOL_NUM_AUTO;
+        int vid_hdr_offset = 0;
         char *vol_name;
         unsigned long long size_bytes = size_bytes; /* for compiler */
         char *size_bytes_str;
@@ -133,10 +134,11 @@ int ubi_tools_main(int argc UNUSED_PARAM, char **argv)
 #define OPTION_a  (1 << 5)
 #define OPTION_t  (1 << 6)
         if (do_mkvol) {
-                opt_complementary = "-1:d+:n+:a+";
-                opts = getopt32(argv, "md:n:N:s:a:t:",
+                opt_complementary = "-1:d+:n+:a+:O+";
+                opts = getopt32(argv, "md:n:N:s:a:t:O:",
                                 &dev_num, &vol_id,
-                                &vol_name, &size_bytes_str, &alignment, &type
+                                &vol_name, &size_bytes_str, &alignment, &type,
+                                &vid_hdr_offset
                         );
         } else
         if (do_update) {
@@ -162,17 +164,19 @@ int ubi_tools_main(int argc UNUSED_PARAM, char **argv)
         //      bb_error_msg_and_die("%s: not a char device", ubi_ctrl);
 
 //usage:#define ubiattach_trivial_usage
-//usage:       "-m MTD_NUM [-d UBI_NUM] UBI_CTRL_DEV"
+//usage:       "-m MTD_NUM [-d UBI_NUM] [-O VID_HDR_OFF] UBI_CTRL_DEV"
 //usage:#define ubiattach_full_usage "\n\n"
 //usage:       "Attach MTD device to UBI\n"
 //usage:     "\n        -m MTD_NUM      MTD device number to attach"
 //usage:     "\n        -d UBI_NUM      UBI device number to assign"
+//usage:     "\n        -O VID_HDR_OFF  VID header offset"
         if (do_attach) {
                 if (!(opts & OPTION_m))
                         bb_error_msg_and_die("%s device not specified", "MTD");
 
                 attach_req.mtd_num = mtd_num;
                 attach_req.ubi_num = dev_num;
+                attach_req.vid_hdr_offset = vid_hdr_offset;
 
                 xioctl(fd, UBI_IOCATT, &attach_req);
         } else