Upgrade to 4.4.50-rt62

[kvmfornfv.git] / kernel / drivers / mtd / nand / nand_base.c

diff --git a/kernel/drivers/mtd/nand/nand_base.c b/kernel/drivers/mtd/nand/nand_base.c
index 3ff583f..54ab488 100644 (file)
--- a/kernel/drivers/mtd/nand/nand_base.c
+++ b/kernel/drivers/mtd/nand/nand_base.c
@@ -2586,7 +2586,7 @@ static int nand_do_write_ops(struct mtd_info *mtd, loff_t to,
                int cached = writelen > bytes && page != blockmask;
                uint8_t *wbuf = buf;
                int use_bufpoi;
-               int part_pagewr = (column || writelen < (mtd->writesize - 1));
+               int part_pagewr = (column || writelen < mtd->writesize);
 
                if (part_pagewr)
                        use_bufpoi = 1;
@@ -3979,7 +3979,6 @@ static int nand_dt_init(struct mtd_info *mtd, struct nand_chip *chip,
  * This is the first phase of the normal nand_scan() function. It reads the
  * flash ID and sets up MTD fields accordingly.
  *
- * The mtd->owner field must be set to the module of the caller.
  */
 int nand_scan_ident(struct mtd_info *mtd, int maxchips,
                    struct nand_flash_dev *table)
@@ -4403,19 +4402,12 @@ EXPORT_SYMBOL(nand_scan_tail);
  *
  * This fills out all the uninitialized function pointers with the defaults.
  * The flash ID is read and the mtd/chip structures are filled with the
- * appropriate values. The mtd->owner field must be set to the module of the
- * caller.
+ * appropriate values.
  */
 int nand_scan(struct mtd_info *mtd, int maxchips)
 {
        int ret;
 
-       /* Many callers got this wrong, so check for it for a while... */
-       if (!mtd->owner && caller_is_module()) {
-               pr_crit("%s called with NULL mtd->owner!\n", __func__);
-               BUG();
-       }
-
        ret = nand_scan_ident(mtd, maxchips, NULL);
        if (!ret)
                ret = nand_scan_tail(mtd);