[GIT PULL] pstore updates for v5.1-rc1

[Kees Cook]

Hi Linus,

Please pull these pstore changes for v5.1-rc1. These are some small
cleanups mostly in the ramoops backend.

Thanks!

-Kees

The following changes since commit 49a57857aeea06ca831043acbb0fa5e0f50602fd:

  Linux 5.0-rc3 (2019-01-21 13:14:44 +1300)

are available in the Git repository at:

  https://git.kernel.org/pub/scm/linux/kernel/git/kees/linux.git tags/pstore-v5.1-rc1

for you to fetch changes up to 93ee4b7d9f0632690713aee604c49e298e634094:

  pstore/ram: Avoid needless alloc during header write (2019-02-12 13:45:53 -0800)

----------------------------------------------------------------
pstore cleanups

- Remove some needless memory allocations (Yue Hu, Kees Cook)
- Add zero-length checks to avoid no-op calls (Yue Hu)

----------------------------------------------------------------
Kees Cook (1):
      pstore/ram: Avoid needless alloc during header write

Yue Hu (4):
      pstore/ram: Replace dummy_data heap memory with stack memory
      pstore: Avoid writing records with zero size
      pstore/ram: Move initialization earlier
      pstore/ram: Add kmsg hlen zero check to ramoops_pstore_write()

 fs/pstore/platform.c |  3 +++
 fs/pstore/ram.c      | 64 ++++++++++++++++++++++++----------------------------
 2 files changed, 32 insertions(+), 35 deletions(-)

-- 
Kees Cook