Merge git://git.infradead.org/mtd-2.6

* git://git.infradead.org/mtd-2.6: (120 commits)
  [MTD] Fix mtdoops.c compilation
  [MTD] [NOR] fix startup lock when using multiple nor flash chips
  [MTD] [DOC200x] eccbuf is statically defined and always evaluate to true
  [MTD] Fix maps/physmap.c compilation with CONFIG_PM
  [MTD] onenand: Add panic_write function to the onenand driver
  [MTD] mtdoops: Use the panic_write function when present
  [MTD] Add mtd panic_write function pointer
  [MTD] [NAND] Freescale enhanced Local Bus Controller FCM NAND support.
  [MTD] physmap.c: Add support for multiple resources
  [MTD] [NAND] Fix misparenthesization introduced by commit 78b65179...
  [MTD] [NAND] Fix Blackfin NFC ECC calculating bug with page size 512 bytes
  [MTD] [NAND] Remove wrong operation in PM function of the BF54x NFC driver
  [MTD] [NAND] Remove unused variable in plat_nand_remove
  [MTD] Unlocking all Intel flash that is locked on power up.
  [MTD] [NAND] at91_nand: Make mtdparts option can override board info
  [MTD] mtdoops: Various minor cleanups
  [MTD] mtdoops: Ensure sequential write to the buffer
  [MTD] mtdoops: Perform write operations in a workqueue
  [MTD] mtdoops: Add further error return code checking
  [MTD] [NOR] Test devtype, not definition in flash_probe(), drivers/mtd/devices/lart.c
  ...

1 files changed, 16 insertions, 15 deletions

diff --git a/fs/jffs2/readinode.c b/fs/jffs2/readinode.c
index 6c1ba3566f58..e512a93d6249 100644
--- a/fs/jffs2/readinode.c
+++ b/fs/jffs2/readinode.c
@@ -37,23 +37,24 @@ static int check_node_data(struct jffs2_sb_info *c, struct jffs2_tmp_dnode_info
 
         BUG_ON(tn->csize == 0);
 
-        if (!jffs2_is_writebuffered(c))
-                goto adj_acc;
-
         /* Calculate how many bytes were already checked */
         ofs = ref_offset(ref) + sizeof(struct jffs2_raw_inode);
-        len = ofs % c->wbuf_pagesize;
-        if (likely(len))
-                len = c->wbuf_pagesize - len;
-
-        if (len >= tn->csize) {
-                dbg_readinode("no need to check node at %#08x, data length %u, data starts at %#08x - it has already been checked.\n",
-                        ref_offset(ref), tn->csize, ofs);
-                goto adj_acc;
-        }
+        len = tn->csize;
+
+        if (jffs2_is_writebuffered(c)) {
+                int adj = ofs % c->wbuf_pagesize;
+                if (likely(adj))
+                        adj = c->wbuf_pagesize - adj;
+
+                if (adj >= tn->csize) {
+                        dbg_readinode("no need to check node at %#08x, data length %u, data starts at %#08x - it has already been checked.\n",
+                                      ref_offset(ref), tn->csize, ofs);
+                        goto adj_acc;
+                }
 
-        ofs += len;
-        len = tn->csize - len;
+                ofs += adj;
+                len -= adj;
+        }
 
         dbg_readinode("check node at %#08x, data length %u, partial CRC %#08x, correct CRC %#08x, data starts at %#08x, start checking from %#08x - %u bytes.\n",
                 ref_offset(ref), tn->csize, tn->partial_crc, tn->data_crc, ofs - len, ofs, len);
@@ -63,7 +64,7 @@ static int check_node_data(struct jffs2_sb_info *c, struct jffs2_tmp_dnode_info
          * adding and jffs2_flash_read_end() interface. */
         if (c->mtd->point) {
                 err = c->mtd->point(c->mtd, ofs, len, &retlen, &buffer);
-                if (!err && retlen < tn->csize) {
+                if (!err && retlen < len) {
                         JFFS2_WARNING("MTD point returned len too short: %zu instead of %u.\n", retlen, tn->csize);
                         c->mtd->unpoint(c->mtd, buffer, ofs, retlen);
                 } else if (err)