Commit 32c0b2f6 authored Oct 22, 2015 by Dan Carpenter Committed by Rafael J. Wysocki Oct 26, 2015

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: 337aadff (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>

parent ad806ea6

drivers/acpi/cppc_acpi.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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;