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| author | Kang Chen <void0red@gmail.com> | 2023-02-26 08:54:27 +0300 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2023-03-20 20:04:58 +0300 |
| commit | 4dea41775d951ff1f7b472a346a8ca3ae7e74455 (patch) | |
| tree | d906871d73c50262f40b7caf38127ffb2b62943c | |
| parent | e8d018dd0257f744ca50a729e3d042cf2ec9da65 (diff) | |
| download | linux-4dea41775d951ff1f7b472a346a8ca3ae7e74455.tar.xz | |
ACPI: processor: Check for null return of devm_kzalloc() in fch_misc_setup()
devm_kzalloc() may fail, clk_data->name might be NULL and will
cause a NULL pointer dereference later.
Signed-off-by: Kang Chen <void0red@gmail.com>
[ rjw: Subject and changelog edits ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
| -rw-r--r-- | drivers/acpi/acpi_apd.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/acpi/acpi_apd.c b/drivers/acpi/acpi_apd.c index 3bbe2276cac7..80f945cbec8a 100644 --- a/drivers/acpi/acpi_apd.c +++ b/drivers/acpi/acpi_apd.c @@ -83,6 +83,8 @@ static int fch_misc_setup(struct apd_private_data *pdata) if (!acpi_dev_get_property(adev, "clk-name", ACPI_TYPE_STRING, &obj)) { clk_data->name = devm_kzalloc(&adev->dev, obj->string.length, GFP_KERNEL); + if (!clk_data->name) + return -ENOMEM; strcpy(clk_data->name, obj->string.pointer); } else { |