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Fix a double free bug in the init error path of the 

GICv3 irqchip driver.
 
 Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'irq-urgent-2024-04-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull irq fix from Ingo Molnar:
 "Fix a double free bug in the init error path of the GICv3 irqchip
  driver"

* tag 'irq-urgent-2024-04-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  irqchip/gic-v3-its: Prevent double free on error
This commit is contained in:
Linus Torvalds 2024-04-28 11:51:13 -07:00
parent 2c81593889 c26591afd3
commit 8d62e9bf28
1 changed files with 2 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
drivers/irqchip/irq-gic-v3-its.c
View File

@ -4567,13 +4567,8 @@ static int its_vpe_irq_domain_alloc(struct irq_domain *domain, unsigned int virq
irqd_set_resend_when_in_progress(irq_get_irq_data(virq + i));
}
if (err) {
if (i > 0)
its_vpe_irq_domain_free(domain, virq, i);
its_lpi_free(bitmap, base, nr_ids);
its_free_prop_table(vprop_page);
}
if (err)
its_vpe_irq_domain_free(domain, virq, i);
return err;
}