1 files changed, 1 insertions, 32 deletions

diff --git a/drivers/mtd/mtdcore.c b/drivers/mtd/mtdcore.c
index 9905870f56e..16a952dd486 100644
--- a/drivers/mtd/mtdcore.c
+++ b/drivers/mtd/mtdcore.c
@@ -47,6 +47,7 @@ int add_mtd_device(struct mtd_info *mtd)
 {
         int i;
 
+        BUG_ON(mtd->writesize == 0);
         mutex_lock(&mtd_table_mutex);
 
         for (i=0; i < MAX_MTD_DEVICES; i++)
@@ -254,37 +255,6 @@ int default_mtd_writev(struct mtd_info *mtd, const struct kvec *vecs,
         return ret;
 }
 
-
-/* default_mtd_readv - default mtd readv method for MTD devices that dont
- *                     implement their own
- */
-
-int default_mtd_readv(struct mtd_info *mtd, struct kvec *vecs,
-                      unsigned long count, loff_t from, size_t *retlen)
-{
-        unsigned long i;
-        size_t totlen = 0, thislen;
-        int ret = 0;
-
-        if(!mtd->read) {
-                ret = -EIO;
-        } else {
-                for (i=0; i<count; i++) {
-                        if (!vecs[i].iov_len)
-                                continue;
-                        ret = mtd->read(mtd, from, vecs[i].iov_len, &thislen, vecs[i].iov_base);
-                        totlen += thislen;
-                        if (ret || thislen != vecs[i].iov_len)
-                                break;
-                        from += vecs[i].iov_len;
-                }
-        }
-        if (retlen)
-                *retlen = totlen;
-        return ret;
-}
-
-
 EXPORT_SYMBOL(add_mtd_device);
 EXPORT_SYMBOL(del_mtd_device);
 EXPORT_SYMBOL(get_mtd_device);
@@ -292,7 +262,6 @@ EXPORT_SYMBOL(put_mtd_device);
 EXPORT_SYMBOL(register_mtd_user);
 EXPORT_SYMBOL(unregister_mtd_user);
 EXPORT_SYMBOL(default_mtd_writev);
-EXPORT_SYMBOL(default_mtd_readv);
 
 #ifdef CONFIG_PROC_FS