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    Subject[PATCH 4.14 017/104] mtd: nand: qcom: Add a NULL check for devm_kasprintf()
    Date
    4.14-stable review patch.  If anyone has any objections, please let me know.

    ------------------

    From: Fabio Estevam <fabio.estevam@nxp.com>

    commit 069f05346d01e7298939f16533953cdf52370be3 upstream.

    devm_kasprintf() may fail, so we should better add a NULL check
    and propagate an error on failure.

    Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
    Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
    Signed-off-by: Amit Pundir <amit.pundir@linaro.org>
    Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

    ---
    drivers/mtd/nand/qcom_nandc.c | 3 +++
    1 file changed, 3 insertions(+)

    --- a/drivers/mtd/nand/qcom_nandc.c
    +++ b/drivers/mtd/nand/qcom_nandc.c
    @@ -2544,6 +2544,9 @@ static int qcom_nand_host_init(struct qc

    nand_set_flash_node(chip, dn);
    mtd->name = devm_kasprintf(dev, GFP_KERNEL, "qcom_nand.%d", host->cs);
    + if (!mtd->name)
    + return -ENOMEM;
    +
    mtd->owner = THIS_MODULE;
    mtd->dev.parent = dev;


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