Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs

Pull more misc uaccess and vfs updates from Al Viro:
 "The rest of the stuff from -next (more uaccess work) + assorted fixes"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
  score: traps: Add missing include file to fix build error
  fs/super.c: don't fool lockdep in freeze_super() and thaw_super() paths
  fs/super.c: fix race between freeze_super() and thaw_super()
  overlayfs: Fix setting IOP_XATTR flag
  iov_iter: kernel-doc import_iovec() and rw_copy_check_uvector()
  blackfin: no access_ok() for __copy_{to,from}_user()
  arm64: don't zero in __copy_from_user{,_inatomic}
  arm: don't zero in __copy_from_user_inatomic()/__copy_from_user()
  arc: don't leak bits of kernel stack into coredump
  alpha: get rid of tail-zeroing in __copy_user()

1 files changed, 3 insertions, 6 deletions

diff --git a/arch/arm/lib/copy_from_user.S b/arch/arm/lib/copy_from_user.S
index f549c57ea435..63e4c1ed0225 100644
--- a/arch/arm/lib/copy_from_user.S
+++ b/arch/arm/lib/copy_from_user.S
@@ -100,12 +100,9 @@ EXPORT_SYMBOL(arm_copy_from_user)
         .pushsection .fixup,"ax"
         .align 0
         copy_abort_preamble
-        ldmfd   sp!, {r1, r2}
-        sub     r3, r0, r1
-        rsb     r1, r3, r2
-        str     r1, [sp]
-        bl      __memzero
-        ldr     r0, [sp], #4
+        ldmfd   sp!, {r1, r2, r3}
+        sub     r0, r0, r1
+        rsb     r0, r0, r2
         copy_abort_end
         .popsection