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Date: Fri, 22 Oct 2021 15:39:10 +0800 From: Kai Song <songkai01@...pur.com> To: <rafael@...nel.org>, <lenb@...nel.org> CC: <linux-acpi@...r.kernel.org>, <linux-kernel@...r.kernel.org>, Kai Song <songkai01@...pur.com> Subject: [PATCH] ACPI: CPPC: fix return value in register_pcc_channel() It uses IS_ERR to judge the return value of pcc_mbox_request_channel().If it is invalid, maybe we should use PTR_ERR to get the correct return value. Signed-off-by: Kai Song <songkai01@...pur.com> --- drivers/acpi/cppc_acpi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/acpi/cppc_acpi.c b/drivers/acpi/cppc_acpi.c index bd482108310c..0bbb5fa27ce7 100644 --- a/drivers/acpi/cppc_acpi.c +++ b/drivers/acpi/cppc_acpi.c @@ -503,7 +503,7 @@ static int register_pcc_channel(int pcc_ss_idx) if (IS_ERR(pcc_data[pcc_ss_idx]->pcc_channel)) { pr_err("Failed to find PCC channel for subspace %d\n", pcc_ss_idx); - return -ENODEV; + return PTR_ERR(pcc_data[pcc_ss_idx]->pcc_channel); } /* -- 2.27.0
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