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| author |   Dan Carpenter <dan.carpenter@oracle.com> | 2015-10-22 22:52:59 +0300 |
|---|---|---|
| committer |   Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2015-10-26 04:44:17 +0100 |
| commit | 32c0b2f606a4b71fc7b7cfa479cf47648854d9d9 (patch) | |
| tree | f5bac7688e5b1f3c24f09ac6b62bdfd21ba80b7c /drivers/acpi/cppc_acpi.c | |
| parent | ACPI: Allow selection of the ACPI processor driver for ARM64 (diff) | |
| download | linux-dev-32c0b2f606a4b71fc7b7cfa479cf47648854d9d9.tar.xz linux-dev-32c0b2f606a4b71fc7b7cfa479cf47648854d9d9.zip | |
ACPI / CPPC: signedness bug in register_pcc_channel()
The "pcc_subspace_idx" is -1 if it hasn't been initialized yet. We need
it to be signed.
Fixes: 337aadff8e45 (ACPI: Introduce CPU performance controls using CPPC)
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Ashwin Chaugule <ashwin.chaugule@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/acpi/cppc_acpi.c')
| -rw-r--r-- | drivers/acpi/cppc_acpi.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/acpi/cppc_acpi.c b/drivers/acpi/cppc_acpi.c index 0bbf84bdcdc4..2ed55161bca5 100644 --- a/drivers/acpi/cppc_acpi.c +++ b/drivers/acpi/cppc_acpi.c @@ -302,7 +302,7 @@ err_ret: } EXPORT_SYMBOL_GPL(acpi_get_psd_map); -static int register_pcc_channel(unsigned pcc_subspace_idx) +static int register_pcc_channel(int pcc_subspace_idx) { struct acpi_pcct_subspace *cppc_ss; unsigned int len; |