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    Subject[PATCH AUTOSEL 5.2 12/59] irqchip/gic-v3-its: Free unused vpt_page when alloc vpe table fail
    Date
    From: Nianyao Tang <tangnianyao@huawei.com>

    [ Upstream commit 34f8eb92ca053cbba2887bb7e4dbf2b2cd6eb733 ]

    In its_vpe_init, when its_alloc_vpe_table fails, we should free
    vpt_page allocated just before, instead of vpe->vpt_page.
    Let's fix it.

    Cc: Thomas Gleixner <tglx@linutronix.de>
    Cc: Jason Cooper <jason@lakedaemon.net>
    Cc: Marc Zyngier <marc.zyngier@arm.com>
    Signed-off-by: Nianyao Tang <tangnianyao@huawei.com>
    Signed-off-by: Shaokun Zhang <zhangshaokun@hisilicon.com>
    Signed-off-by: Marc Zyngier <maz@kernel.org>
    Signed-off-by: Sasha Levin <sashal@kernel.org>
    ---
    drivers/irqchip/irq-gic-v3-its.c | 2 +-
    1 file changed, 1 insertion(+), 1 deletion(-)

    diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c
    index 35500801dc2b5..20e5482d91b94 100644
    --- a/drivers/irqchip/irq-gic-v3-its.c
    +++ b/drivers/irqchip/irq-gic-v3-its.c
    @@ -3010,7 +3010,7 @@ static int its_vpe_init(struct its_vpe *vpe)

    if (!its_alloc_vpe_table(vpe_id)) {
    its_vpe_id_free(vpe_id);
    - its_free_pending_table(vpe->vpt_page);
    + its_free_pending_table(vpt_page);
    return -ENOMEM;
    }

    --
    2.20.1
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