From: Yi Yang Date: Thu, 19 Oct 2023 06:55:48 +0000 (+0000) Subject: mtd: rawnand: meson: check return value of devm_kasprintf() X-Git-Tag: v6.6.7~858 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=4cdc83be3ab8513271fe2b62c448da458c4a222f;p=platform%2Fkernel%2Flinux-starfive.git mtd: rawnand: meson: check return value of devm_kasprintf() [ Upstream commit 5a985960a4dd041c21dbe9956958c1633d2da706 ] devm_kasprintf() returns a pointer to dynamically allocated memory which can be NULL upon failure. Ensure the allocation was successful by checking the pointer validity. Fixes: 1e4d3ba66888 ("mtd: rawnand: meson: fix the clock") Signed-off-by: Yi Yang Signed-off-by: Miquel Raynal Link: https://lore.kernel.org/linux-mtd/20231019065548.318443-1-yiyang13@huawei.com Signed-off-by: Sasha Levin --- diff --git a/drivers/mtd/nand/raw/meson_nand.c b/drivers/mtd/nand/raw/meson_nand.c index 25e3c1c..a506e65 100644 --- a/drivers/mtd/nand/raw/meson_nand.c +++ b/drivers/mtd/nand/raw/meson_nand.c @@ -1134,6 +1134,9 @@ static int meson_nfc_clk_init(struct meson_nfc *nfc) init.name = devm_kasprintf(nfc->dev, GFP_KERNEL, "%s#div", dev_name(nfc->dev)); + if (!init.name) + return -ENOMEM; + init.ops = &clk_divider_ops; nfc_divider_parent_data[0].fw_name = "device"; init.parent_data = nfc_divider_parent_data;