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    Subject[PATCH] nvmem: meson-mx-efuse: fix ptr_ret.cocci warnings
    From: Fengguang Wu <fengguang.wu@intel.com>

    drivers/nvmem/meson-mx-efuse.c:237:1-3: WARNING: PTR_ERR_OR_ZERO can be used


    Use PTR_ERR_OR_ZERO rather than if(IS_ERR(...)) + PTR_ERR

    Generated by: scripts/coccinelle/api/ptr_ret.cocci

    Fixes: 37ef5352c0f7 ("nvmem: meson-mx-efuse: Convert to use devm_nvmem_register()")
    CC: Andrey Smirnov <andrew.smirnov@gmail.com>
    Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
    ---

    meson-mx-efuse.c | 5 +----
    1 file changed, 1 insertion(+), 4 deletions(-)

    --- a/drivers/nvmem/meson-mx-efuse.c
    +++ b/drivers/nvmem/meson-mx-efuse.c
    @@ -234,10 +234,7 @@ static int meson_mx_efuse_probe(struct p
    }

    efuse->nvmem = devm_nvmem_register(&pdev->dev, &efuse->config);
    - if (IS_ERR(efuse->nvmem))
    - return PTR_ERR(efuse->nvmem);
    -
    - return 0;
    + return PTR_ERR_OR_ZERO(efuse->nvmem);
    }

    static struct platform_driver meson_mx_efuse_driver = {
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