[GIT PULL] printk for 5.4

[Petr Mladek]

Linus,

please pull the latest printk changes from

  git://git.kernel.org/pub/scm/linux/kernel/git/pmladek/printk tags/printk-for-5.4

========================

- Fix off-by-one error when calculating messages that might fit
  into kmsg buffer. It causes occasional omitting of the last message.

- Add missing pointer check in %pD format modifier handling.

- Some clean up.

----------------------------------------------------------------
Chuhong Yuan (1):
      printk: Replace strncmp() with str_has_prefix()

James Byrne (1):
      ABI: Update dev-kmsg documentation to match current kernel behaviour

Jia He (2):
      vsprintf: Prevent crash when dereferencing invalid pointers for %pD
      lib/test_printf: Add test of null/invalid pointer dereference for dentry

Petr Mladek (2):
      lib/test_printf: Remove obvious comments from %pd and %pD tests
      Merge branch 'for-5.4' into for-linus

Vincent Whitchurch (1):
      printk: Do not lose last line in kmsg buffer dump

 Documentation/ABI/testing/dev-kmsg | 15 +++++++--------
 kernel/printk/braille.c            | 15 +++++++++++----
 kernel/printk/printk.c             | 24 +++++++++++++++++-------
 lib/test_printf.c                  |  5 +++++
 lib/vsprintf.c                     | 13 ++++++++++---
 5 files changed, 50 insertions(+), 22 deletions(-)