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    Subject[PATCH 4.19 71/81] ipack: tpci200: fix error return code in tpci200_register()
    Date
    From: Wei Yongjun <weiyongjun1@huawei.com>

    commit 133317479f0324f6faaf797c4f5f3e9b1b36ce35 upstream.

    Fix to return negative error code -ENOMEM from the ioremap() error handling
    case instead of 0, as done elsewhere in this function.

    Fixes: 43986798fd50 ("ipack: add error handling for ioremap_nocache")
    Reported-by: Hulk Robot <hulkci@huawei.com>
    Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
    Cc: stable <stable@vger.kernel.org>
    Acked-by: Samuel Iglesias Gonsalvez <siglesias@igalia.com>
    Link: https://lore.kernel.org/r/20200507094237.13599-1-weiyongjun1@huawei.com
    Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

    ---
    drivers/ipack/carriers/tpci200.c | 1 +
    1 file changed, 1 insertion(+)

    --- a/drivers/ipack/carriers/tpci200.c
    +++ b/drivers/ipack/carriers/tpci200.c
    @@ -309,6 +309,7 @@ static int tpci200_register(struct tpci2
    "(bn 0x%X, sn 0x%X) failed to map driver user space!",
    tpci200->info->pdev->bus->number,
    tpci200->info->pdev->devfn);
    + res = -ENOMEM;
    goto out_release_mem8_space;
    }


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