UBI: remove dead code

Thanks to new gcc 4.6 for issuing the following warning:

drivers/mtd/ubi/vtbl.c: In function ‘create_vtbl’:
drivers/mtd/ubi/vtbl.c:311:33: warning: variable ‘old_seb’ set but not used [-Wunused-but-set-variable]

This patch removes some dead code and fixes the warning.

Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>

1 files changed, 3 insertions, 13 deletions

diff --git a/drivers/mtd/ubi/vtbl.c b/drivers/mtd/ubi/vtbl.c
index d704ad275932..4b50a3029b84 100644
--- a/drivers/mtd/ubi/vtbl.c
+++ b/drivers/mtd/ubi/vtbl.c
@@ -307,8 +307,7 @@ static int create_vtbl(struct ubi_device *ubi, struct ubi_scan_info *si,
 {
         int err, tries = 0;
         static struct ubi_vid_hdr *vid_hdr;
-        struct ubi_scan_volume *sv;
-        struct ubi_scan_leb *new_seb, *old_seb = NULL;
+        struct ubi_scan_leb *new_seb;
 
         ubi_msg("create volume table (copy #%d)", copy + 1);
 
@@ -316,15 +315,6 @@ static int create_vtbl(struct ubi_device *ubi, struct ubi_scan_info *si,
         if (!vid_hdr)
                 return -ENOMEM;
 
-        /*
-         * Check if there is a logical eraseblock which would have to contain
-         * this volume table copy was found during scanning. It has to be wiped
-         * out.
-         */
-        sv = ubi_scan_find_sv(si, UBI_LAYOUT_VOLUME_ID);
-        if (sv)
-                old_seb = ubi_scan_find_seb(sv, copy);
-
 retry:
         new_seb = ubi_scan_get_free_peb(ubi, si);
         if (IS_ERR(new_seb)) {
@@ -351,8 +341,8 @@ retry:
                 goto write_error;
 
         /*
-         * And add it to the scanning information. Don't delete the old
-         * @old_seb as it will be deleted and freed in 'ubi_scan_add_used()'.
+         * And add it to the scanning information. Don't delete the old version
+         * of this LEB as it will be deleted and freed in 'ubi_scan_add_used()'.
          */
         err = ubi_scan_add_used(ubi, si, new_seb->pnum, new_seb->ec,
                                 vid_hdr, 0);