mtd: nand: fix bug writing 1 byte less than page size

[firefly-linux-kernel-4.4.55.git] / drivers / mtd / ubi / upd.c

diff --git a/drivers/mtd/ubi/upd.c b/drivers/mtd/ubi/upd.c
index 2a1b6e037e1a1ced496ac446ca07d6037ef61d0e..0134ba32a05784b65d1a0e6d470eee7a857df74c 100644 (file)
--- a/drivers/mtd/ubi/upd.c
+++ b/drivers/mtd/ubi/upd.c
@@ -193,7 +193,7 @@ int ubi_start_leb_change(struct ubi_device *ubi, struct ubi_volume *vol,
        vol->changing_leb = 1;
        vol->ch_lnum = req->lnum;
 
-       vol->upd_buf = vmalloc(req->bytes);
+       vol->upd_buf = vmalloc(ALIGN((int)req->bytes, ubi->min_io_size));
        if (!vol->upd_buf)
                return -ENOMEM;