[GIT PULL] EFI urgent fixes

[Matt Fleming]

Hi guys,

I've queued up some fixes for bugs that were introduced in the merge
window. Please consider pulling, thanks.

The following changes since commit f722406faae2d073cc1d01063d1123c35425939e:

  Linux 3.10-rc1 (2013-05-11 17:14:08 -0700)

are available in the git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/mfleming/efi.git tags/efi-urgent

for you to fetch changes up to eccaf52fee8305d5207ff110950a82c100e459bc:

  x86, efi: initial the local variable of DataSize to zero (2013-05-14 08:13:05 +0100)

----------------------------------------------------------------
 * Avoid confusing the user by returning -EIO instead of -ENOENT in
   efivarfs if an EFI variable gets deleted from under us and return EOF
   when reading from a zero-length file - Lingzhu Xiang

 * Fix an oops in efivar_update_sysfs_entries() caused by reusing (and
   therefore corrupting) a kzalloc() allocation - Seiji Aguchi

 * Initialise the DataSize argument to GetVariable() otherwise it will
   not be updated with the actual size of the variable on return.
   Discovered on a Acer Aspire V3 BIOS - Lee, Chun-Yi

----------------------------------------------------------------
Lee, Chun-Yi (1):
      x86, efi: initial the local variable of DataSize to zero

Lingzhu Xiang (1):
      efivarfs: Never return ENOENT from firmware again

Seiji Aguchi (1):
      efivar: fix oops in efivar_update_sysfs_entries() caused by memory reuse

 arch/x86/platform/efi/efi.c    |  2 +-
 drivers/firmware/efi/efivars.c |  8 +++-----
 fs/efivarfs/file.c             | 14 ++++++++++++--
 3 files changed, 16 insertions(+), 8 deletions(-)

-- 
Matt Fleming, Intel Open Source Technology Center
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