[PATCH 2/2] mtd: brcmnand: Add a NULL check for devm_kasprintf()
Fabio Estevam
festevam at gmail.com
Fri Jan 5 12:02:56 PST 2018
From: Fabio Estevam <fabio.estevam at nxp.com>
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 at nxp.com>
---
drivers/mtd/nand/brcmnand/brcmnand.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/mtd/nand/brcmnand/brcmnand.c b/drivers/mtd/nand/brcmnand/brcmnand.c
index 3310e14..8942aa6 100644
--- a/drivers/mtd/nand/brcmnand/brcmnand.c
+++ b/drivers/mtd/nand/brcmnand/brcmnand.c
@@ -2237,6 +2237,8 @@ static int brcmnand_init_cs(struct brcmnand_host *host, struct device_node *dn)
nand_set_controller_data(chip, host);
mtd->name = devm_kasprintf(&pdev->dev, GFP_KERNEL, "brcmnand.%d",
host->cs);
+ if (!mtd->name)
+ return -ENOMEM;
mtd->owner = THIS_MODULE;
mtd->dev.parent = &pdev->dev;
--
2.7.4
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