[PATCH] mtd: rawnand: meson: check return value of devm_kasprintf()
Yi Yang
yiyang13 at huawei.com
Wed Oct 18 02:20:47 PDT 2023
The devm_kasprintf() returns a pointer to dynamically allocated memory.
that will return NULL when allocate failed.
Fix it by check return value of devm_kasprintf().
Fixes: 1e4d3ba66888 ("mtd: rawnand: meson: fix the clock")
Signed-off-by: Yi Yang <yiyang13 at huawei.com>
---
drivers/mtd/nand/raw/meson_nand.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/mtd/nand/raw/meson_nand.c b/drivers/mtd/nand/raw/meson_nand.c
index 378f28ce6a74..2c6ae781bb0c 100644
--- a/drivers/mtd/nand/raw/meson_nand.c
+++ b/drivers/mtd/nand/raw/meson_nand.c
@@ -1134,6 +1134,11 @@ 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) {
+ dev_err(nfc->dev, "failed to allocate init.name\n");
+ return -ENOMEM;
+ }
+
init.ops = &clk_divider_ops;
nfc_divider_parent_data[0].fw_name = "device";
init.parent_data = nfc_divider_parent_data;
--
2.25.1
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