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Merge tag 'printk-for-5.2' of git://git.kernel.org/pub/scm/linux/kernel/git/pmladek/printk

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Pull printk updates from Petr Mladek:

 - Allow state reset of printk_once() calls.

 - Prevent crashes when dereferencing invalid pointers in vsprintf().
   Only the first byte is checked for simplicity.

 - Make vsprintf warnings consistent and inlined.

 - Treewide conversion of obsolete %pf, %pF to %ps, %pF printf
   modifiers.

 - Some clean up of vsprintf and test_printf code.

* tag 'printk-for-5.2' of git://git.kernel.org/pub/scm/linux/kernel/git/pmladek/printk:
  lib/vsprintf: Make function pointer_string static
  vsprintf: Limit the length of inlined error messages
  vsprintf: Avoid confusion between invalid address and value
  vsprintf: Prevent crash when dereferencing invalid pointers
  vsprintf: Consolidate handling of unknown pointer specifiers
  vsprintf: Factor out %pO handler as kobject_string()
  vsprintf: Factor out %pV handler as va_format()
  vsprintf: Factor out %p[iI] handler as ip_addr_string()
  vsprintf: Do not check address of well-known strings
  vsprintf: Consistent %pK handling for kptr_restrict == 0
  vsprintf: Shuffle restricted_pointer()
  printk: Tie printk_once / printk_deferred_once into .data.once for reset
  treewide: Switch printk users from %pf and %pF to %ps and %pS, respectively
  lib/test_printf: Switch to bitmap_zalloc()
This commit is contained in:
Linus Torvalds
2019-05-07 09:18:12 -07:00
parent 573de2a6e8 0f46c78391
commit 0968621917
60 changed files with 410 additions and 272 deletions
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4
drivers/pci/quirks.c
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@@ -36,7 +36,7 @@ static ktime_t fixup_debug_start(struct pci_dev *dev,
void (*fn)(struct pci_dev *dev))
{
if (initcall_debug)
pci_info(dev, "calling %pF @ %i\n", fn, task_pid_nr(current));
pci_info(dev, "calling %pS @ %i\n", fn, task_pid_nr(current));
return ktime_get();
}
@@ -51,7 +51,7 @@ static void fixup_debug_report(struct pci_dev *dev, ktime_t calltime,
delta = ktime_sub(rettime, calltime);
duration = (unsigned long long) ktime_to_ns(delta) >> 10;
if (initcall_debug || duration > 10000)
pci_info(dev, "%pF took %lld usecs\n", fn, duration);
pci_info(dev, "%pS took %lld usecs\n", fn, duration);
}
static void pci_do_fixups(struct pci_dev *dev, struct pci_fixup *f,