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authorFabio Estevam <fabio.estevam@nxp.com>2018-01-05 18:02:55 -0200
committerBoris Brezillon <boris.brezillon@free-electrons.com>2018-01-06 21:55:42 +0100
commit069f05346d01e7298939f16533953cdf52370be3 (patch)
treea97ad81733fb534fc2e990e4ff86caff9a1e08d3
parent039b4377e5621a2cc197a7aff1e06db432e4dcc2 (diff)
downloadblackbird-op-linux-069f05346d01e7298939f16533953cdf52370be3.tar.gz
blackbird-op-linux-069f05346d01e7298939f16533953cdf52370be3.zip
mtd: nand: qcom: Add a NULL check for devm_kasprintf()
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>
-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 245d0f39e0aa..6be555806eca 100644
--- a/drivers/mtd/nand/qcom_nandc.c
+++ b/drivers/mtd/nand/qcom_nandc.c
@@ -2639,6 +2639,9 @@ 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;
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