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authorFabio Estevam <fabio.estevam@nxp.com>2018-01-05 18:02:55 -0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-08-15 18:14:43 +0200
commit5ee45fc998a3e45af45f8886fb13cc417c6f18d0 (patch)
treedba7ce352db956607fd1d88f1d17bdec49db534f /drivers/mtd
parente2ba7bf19727b67f0f3850c84829a19898401928 (diff)
mtd: nand: qcom: Add a NULL check for devm_kasprintf()
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>
Diffstat (limited to 'drivers/mtd')
-rw-r--r--drivers/mtd/nand/qcom_nandc.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/mtd/nand/qcom_nandc.c b/drivers/mtd/nand/qcom_nandc.c
index 6f0fd1512ad2..dc4943134649 100644
--- a/drivers/mtd/nand/qcom_nandc.c
+++ b/drivers/mtd/nand/qcom_nandc.c
@@ -2008,6 +2008,9 @@ 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;