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Groups > linux.kernel > #1480568

[PATCH 17/30] ACPI-processor: Improve another size determination in acpi_processor_get_throttling_states()

From SF Markus Elfring <elfring@users.sourceforge.net>
Newsgroups linux.kernel
Subject [PATCH 17/30] ACPI-processor: Improve another size determination in acpi_processor_get_throttling_states()
Date 2016-09-10 12:00 +0200
Message-ID <sfNeN-70F-7@gated-at.bofh.it> (permalink)
References <sfMVr-6Un-3@gated-at.bofh.it>
Organization linux.* mail to news gateway

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From: Markus Elfring <elfring@users.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@users.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

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Thread

[PATCH 00/30] ACPI-processor: Fine-tuning for several function  implementations SF Markus Elfring <elfring@users.sourceforge.net> - 2016-09-10 11:40 +0200
  [PATCH 03/30] ACPI-processor: Rename jump labels in  acpi_processor_get_performance_states() SF Markus Elfring <elfring@users.sourceforge.net> - 2016-09-10 11:50 +0200
  [PATCH 05/30] ACPI-processor: Rename jump labels in  acpi_processor_preregister_performance() SF Markus Elfring <elfring@users.sourceforge.net> - 2016-09-10 11:50 +0200
  [PATCH 04/30] ACPI-processor: Delete two unnecessary initialisations  in acpi_processor_get_performance_states() SF Markus Elfring <elfring@users.sourceforge.net> - 2016-09-10 11:50 +0200
  [PATCH 08/30] ACPI-processor: Delete two unnecessary initialisations  in acpi_processor_get_psd() SF Markus Elfring <elfring@users.sourceforge.net> - 2016-09-10 11:50 +0200
  [PATCH 07/30] ACPI-processor: Rename jump labels in  acpi_processor_get_psd() SF Markus Elfring <elfring@users.sourceforge.net> - 2016-09-10 11:50 +0200
  [PATCH 06/30] ACPI-processor: Move a success indication in  acpi_processor_preregister_performance() SF Markus Elfring <elfring@users.sourceforge.net> - 2016-09-10 11:50 +0200
  [PATCH 15/30] ACPI-processor: Delete an unnecessary initialisation in  acpi_processor_get_platform_limit() SF Markus Elfring <elfring@users.sourceforge.net> - 2016-09-10 12:00 +0200
  [PATCH 17/30] ACPI-processor: Improve another size determination in  acpi_processor_get_throttling_states() SF Markus Elfring <elfring@users.sourceforge.net> - 2016-09-10 12:00 +0200
  [PATCH 10/30] ACPI-processor: Rename jump labels in  acpi_processor_get_performance_control() SF Markus Elfring <elfring@users.sourceforge.net> - 2016-09-10 12:00 +0200
  [PATCH 16/30] ACPI-processor: Use kmalloc_array() in  acpi_processor_get_throttling_states() SF Markus Elfring <elfring@users.sourceforge.net> - 2016-09-10 12:00 +0200
  [PATCH 11/30] ACPI-processor: Delete two unnecessary initialisations  in acpi_processor_get_performance_control() SF Markus Elfring <elfring@users.sourceforge.net> - 2016-09-10 12:00 +0200
  [PATCH 09/30] ACPI-processor: Improve a size determination in  acpi_processor_get_psd() SF Markus Elfring <elfring@users.sourceforge.net> - 2016-09-10 12:00 +0200
  [PATCH 14/30] ACPI-processor: Delete an unnecessary initialisation in  acpi_processor_get_performance_info() SF Markus Elfring <elfring@users.sourceforge.net> - 2016-09-10 12:00 +0200
  Re: [PATCH 00/30] ACPI-processor: Fine-tuning for several function  implementations Paolo Bonzini <pbonzini@redhat.com> - 2016-09-10 12:00 +0200
  [PATCH 13/30] ACPI-processor: Delete an unnecessary initialisation in  acpi_processor_ppc_notifier() SF Markus Elfring <elfring@users.sourceforge.net> - 2016-09-10 12:00 +0200
  [PATCH 12/30] ACPI-processor: Rename jump labels in  acpi_processor_ppc_notifier() SF Markus Elfring <elfring@users.sourceforge.net> - 2016-09-10 12:00 +0200
  [PATCH 23/30] ACPI-processor: Improve a size determination in  acpi_processor_get_tsd() SF Markus Elfring <elfring@users.sourceforge.net> - 2016-09-10 12:10 +0200
  [PATCH 25/30] ACPI-processor: Delete two unnecessary initialisations  in acpi_processor_get_throttling_control() SF Markus Elfring <elfring@users.sourceforge.net> - 2016-09-10 12:10 +0200
  [PATCH 27/30] ACPI-processor: Delete an unnecessary initialisation in  acpi_processor_reevaluate_tstate() SF Markus Elfring <elfring@users.sourceforge.net> - 2016-09-10 12:10 +0200
  [PATCH 26/30] ACPI-processor: Fix jump targets in  acpi_processor_reevaluate_tstate() SF Markus Elfring <elfring@users.sourceforge.net> - 2016-09-10 12:10 +0200
  [PATCH 19/30] ACPI-processor: Delete two unnecessary initialisations  in acpi_processor_get_throttling_states() SF Markus Elfring <elfring@users.sourceforge.net> - 2016-09-10 12:10 +0200
  [PATCH 18/30] ACPI-processor: Rename jump labels in  acpi_processor_get_throttling_states() SF Markus Elfring <elfring@users.sourceforge.net> - 2016-09-10 12:10 +0200
  [PATCH 21/30] ACPI-processor: Rename jump labels in  acpi_processor_get_tsd() SF Markus Elfring <elfring@users.sourceforge.net> - 2016-09-10 12:10 +0200
  [PATCH 22/30] ACPI-processor: Delete two unnecessary initialisations  in acpi_processor_get_tsd() SF Markus Elfring <elfring@users.sourceforge.net> - 2016-09-10 12:10 +0200
  [PATCH 24/30] ACPI-processor: Rename jump labels in  acpi_processor_get_throttling_control() SF Markus Elfring <elfring@users.sourceforge.net> - 2016-09-10 12:10 +0200
  [PATCH 20/30] ACPI-processor: Fix jump targets in  acpi_processor_get_throttling_info() SF Markus Elfring <elfring@users.sourceforge.net> - 2016-09-10 12:10 +0200
  [PATCH 29/30] ACPI-processor: Delete an unnecessary initialisation in  acpi_processor_get_platform_limit() SF Markus Elfring <elfring@users.sourceforge.net> - 2016-09-10 12:20 +0200
  [PATCH 28/30] ACPI-processor: Rename a jump label in  acpi_processor_get_platform_limit() SF Markus Elfring <elfring@users.sourceforge.net> - 2016-09-10 12:20 +0200
  [PATCH 30/30] ACPI-processor: Improve jump targets in  acpi_processor_update_tsd_coord() SF Markus Elfring <elfring@users.sourceforge.net> - 2016-09-10 12:20 +0200

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