sh updates for v6.13

- sh: intc: Fix use-after-free bug in register_intc_controller()
 - sh: cpuinfo: Fix a warning for CONFIG_CPUMASK_OFFSTACK
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Merge tag 'sh-for-v6.13-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/glaubitz/sh-linux

Pull sh updates from John Paul Adrian Glaubitz:
 "Two small fixes.

  The first one by Huacai Chen addresses a runtime warning when
  CONFIG_CPUMASK_OFFSTACK and CONFIG_DEBUG_PER_CPU_MAPS are selected
  which occurs because the cpuinfo code on sh incorrectly uses NR_CPUS
  when iterating CPUs instead of the runtime limit nr_cpu_ids.

  A second fix by Dan Carpenter fixes a use-after-free bug in
  register_intc_controller() which occurred as a result of improper
  error handling in the interrupt controller driver code when
  registering an interrupt controller during plat_irq_setup() on sh"

* tag 'sh-for-v6.13-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/glaubitz/sh-linux:
  sh: intc: Fix use-after-free bug in register_intc_controller()
  sh: cpuinfo: Fix a warning for CONFIG_CPUMASK_OFFSTACK
This commit is contained in:
Linus Torvalds 2024-11-30 14:45:29 -08:00
commit 0ff86d8da7
2 changed files with 2 additions and 2 deletions

View File

@ -132,7 +132,7 @@ static int show_cpuinfo(struct seq_file *m, void *v)
static void *c_start(struct seq_file *m, loff_t *pos)
{
return *pos < NR_CPUS ? cpu_data + *pos : NULL;
return *pos < nr_cpu_ids ? cpu_data + *pos : NULL;
}
static void *c_next(struct seq_file *m, void *v, loff_t *pos)
{

View File

@ -209,7 +209,6 @@ int __init register_intc_controller(struct intc_desc *desc)
goto err0;
INIT_LIST_HEAD(&d->list);
list_add_tail(&d->list, &intc_list);
raw_spin_lock_init(&d->lock);
INIT_RADIX_TREE(&d->tree, GFP_ATOMIC);
@ -369,6 +368,7 @@ int __init register_intc_controller(struct intc_desc *desc)
d->skip_suspend = desc->skip_syscore_suspend;
list_add_tail(&d->list, &intc_list);
nr_intc_controllers++;
return 0;