linux-kernel - [PATCH 17/30] ACPI-processor: Improve another size determination in acpi_processor_get_throttling

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Date:   Sat, 10 Sep 2016 11:59:28 +0200
From:   SF Markus Elfring <elfring@...rs.sourceforge.net>
To:     linux-acpi@...r.kernel.org, Len Brown <lenb@...nel.org>,
        "Rafael J. Wysocki" <rjw@...ysocki.net>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        kernel-janitors@...r.kernel.org,
        Julia Lawall <julia.lawall@...6.fr>,
        Paolo Bonzini <pbonzini@...hat.com>
Subject: [PATCH 17/30] ACPI-processor: Improve another size determination in
 acpi_processor_get_throttling_states()

From: Markus Elfring <elfring@...rs.sourceforge.net>
Date: Tue, 6 Sep 2016 19:19:27 +0200

Replace the specification of a data structure by a pointer dereference
as the parameter for the operator "sizeof" to make the corresponding size
determination a bit safer according to the Linux coding style convention.

Signed-off-by: Markus Elfring <elfring@...rs.sourceforge.net>
---
 drivers/acpi/processor_throttling.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/acpi/processor_throttling.c b/drivers/acpi/processor_throttling.c
index 0a46b7f..c5ddf96 100644
--- a/drivers/acpi/processor_throttling.c
+++ b/drivers/acpi/processor_throttling.c
@@ -548,7 +548,7 @@ static int acpi_processor_get_throttling_states(struct acpi_processor *pr)
 		    (struct acpi_processor_tx_tss *)&(pr->throttling.
 						      states_tss[i]);
 
-		state.length = sizeof(struct acpi_processor_tx_tss);
+		state.length = sizeof(*tx);
 		state.pointer = tx;
 
 		ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Extracting state %d\n", i));
-- 
2.10.0