Merge branch 'akpm' (Andrew's patch-bomb)

Merge the rest of Andrew's patches for -rc1:
 "A bunch of fixes and misc missed-out-on things.

  That'll do for -rc1.  I still have a batch of IPC patches which still
  have a possible bug report which I'm chasing down."

* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (25 commits)
  keys: use keyring_alloc() to create module signing keyring
  keys: fix unreachable code
  sendfile: allows bypassing of notifier events
  SGI-XP: handle non-fatal traps
  fat: fix incorrect function comment
  Documentation: ABI: remove testing/sysfs-devices-node
  proc: fix inconsistent lock state
  linux/kernel.h: fix DIV_ROUND_CLOSEST with unsigned divisors
  memcg: don't register hotcpu notifier from ->css_alloc()
  checkpatch: warn on uapi #includes that #include <uapi/...
  revert "rtc: recycle id when unloading a rtc driver"
  mm: clean up transparent hugepage sysfs error messages
  hfsplus: add error message for the case of failure of sync fs in delayed_sync_fs() method
  hfsplus: rework processing of hfs_btree_write() returned error
  hfsplus: rework processing errors in hfsplus_free_extents()
  hfsplus: avoid crash on failed block map free
  kcmp: include linux/ptrace.h
  drivers/rtc/rtc-imxdi.c: must include <linux/spinlock.h>
  mm: cma: WARN if freed memory is still in use
  exec: do not leave bprm->interp on stack
  ...

1 files changed, 3 insertions, 2 deletions

diff --git a/fs/hfsplus/btree.c b/fs/hfsplus/btree.c
index 21023d9f8ff..685d07d0ed1 100644
--- a/fs/hfsplus/btree.c
+++ b/fs/hfsplus/btree.c
@@ -159,7 +159,7 @@ void hfs_btree_close(struct hfs_btree *tree)
         kfree(tree);
 }
 
-void hfs_btree_write(struct hfs_btree *tree)
+int hfs_btree_write(struct hfs_btree *tree)
 {
         struct hfs_btree_header_rec *head;
         struct hfs_bnode *node;
@@ -168,7 +168,7 @@ void hfs_btree_write(struct hfs_btree *tree)
         node = hfs_bnode_find(tree, 0);
         if (IS_ERR(node))
                 /* panic? */
-                return;
+                return -EIO;
         /* Load the header */
         page = node->page[0];
         head = (struct hfs_btree_header_rec *)(kmap(page) +
@@ -186,6 +186,7 @@ void hfs_btree_write(struct hfs_btree *tree)
         kunmap(page);
         set_page_dirty(page);
         hfs_bnode_put(node);
+        return 0;
 }
 
 static struct hfs_bnode *hfs_bmap_new_bmap(struct hfs_bnode *prev, u32 idx)