| Message ID | 20231019065548.318443-1-yiyang13@huawei.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | [v3] mtd: rawnand: meson: check return value of devm_kasprintf() | expand |
On Thu, 2023-10-19 at 06:55:48 UTC, Yi Yang wrote: > 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 <yiyang13@huawei.com> Applied to https://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux.git nand/next, thanks. Miquel
diff --git a/drivers/mtd/nand/raw/meson_nand.c b/drivers/mtd/nand/raw/meson_nand.c index 378f28ce6a74..71ec4052e52a 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;
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 <yiyang13@huawei.com> --- v2:Change commit log, and fix error check code. v3:No need for error messages upon memory allocation failures. --- drivers/mtd/nand/raw/meson_nand.c | 3 +++ 1 file changed, 3 insertions(+)