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 --- Cherry-picked from lede tree https://git.lede-project.org/?p=source.git Please apply it on 4.9.y as well. Not applicable for 4.4.y and 3.18.y
drivers/mtd/nand/qcom_nandc.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/drivers/mtd/nand/qcom_nandc.c b/drivers/mtd/nand/qcom_nandc.c index 3baddfc997d1..b49ca02b399d 100644 --- 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 qcom_nand_controller *nandc,
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;