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[PATCH v2 7/9] ACPI-video: Delete an unnecessary initialisation in three functions

From SF Markus Elfring <elfring@users.sourceforge.net>
Newsgroups linux.kernel
Subject [PATCH v2 7/9] ACPI-video: Delete an unnecessary initialisation in three functions
Date 2017-08-09 17:50 +0200
Message-ID <ucBp8-PO-15@gated-at.bofh.it> (permalink)
References (3 earlier) <seffb-4Kg-7@gated-at.bofh.it> <semJH-1kY-9@gated-at.bofh.it> <sepod-36Y-1@gated-at.bofh.it> <sevN0-7ef-19@gated-at.bofh.it> <ucBfr-Mz-7@gated-at.bofh.it>
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From: Markus Elfring <elfring@users.sourceforge.net>
Date: Wed, 9 Aug 2017 15:55:35 +0200

Three local variables will be set to appropriate values a bit later.
Thus omit the explicit initialisation at the beginning of these functions.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
---
 drivers/acpi/acpi_video.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/acpi/acpi_video.c b/drivers/acpi/acpi_video.c
index e279ed221961..a899faf6ff84 100644
--- a/drivers/acpi/acpi_video.c
+++ b/drivers/acpi/acpi_video.c
@@ -803,7 +803,7 @@ int acpi_video_get_levels(struct acpi_device *device,
 	union acpi_object *obj = NULL;
 	int i, max_level = 0, count = 0, level_ac_battery = 0;
 	union acpi_object *o;
-	struct acpi_video_device_brightness *br = NULL;
+	struct acpi_video_device_brightness *br;
 	int result = 0;
 	u32 value;
 
@@ -921,7 +921,7 @@ acpi_video_init_brightness(struct acpi_video_device *device)
 	int i, max_level = 0;
 	unsigned long long level, level_old;
 	struct acpi_video_device_brightness *br = NULL;
-	int result = -EINVAL;
+	int result;
 
 	result = acpi_video_get_levels(device->dev, &br, &max_level);
 	if (result)
@@ -1295,7 +1295,7 @@ static int acpi_video_device_enumerate(struct acpi_video_bus *video)
 	int i;
 	struct acpi_video_enumerated_device *active_list;
 	struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
-	union acpi_object *dod = NULL;
+	union acpi_object *dod;
 	union acpi_object *obj;
 
 	if (!video->cap._DOD)
-- 
2.13.4

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Thread

[PATCH v2 0/9] ACPI-video: Fine-tuning for several function  implementations SF Markus Elfring <elfring@users.sourceforge.net> - 2017-08-09 17:40 +0200
  [PATCH v2 1/9] ACPI-video: Use kmalloc_array() in  acpi_video_get_levels() SF Markus Elfring <elfring@users.sourceforge.net> - 2017-08-09 17:40 +0200
  [PATCH v2 3/9] ACPI-video: Delete an error message for a failed  kzalloc() call SF Markus Elfring <elfring@users.sourceforge.net> - 2017-08-09 17:40 +0200
  [PATCH v2 2/9] ACPI-video: Return directly after a failed device  query SF Markus Elfring <elfring@users.sourceforge.net> - 2017-08-09 17:40 +0200
  [PATCH v2 9/9] ACPI-video: Improve a size determination in four  functions SF Markus Elfring <elfring@users.sourceforge.net> - 2017-08-09 17:50 +0200
  [PATCH v2 8/9] ACPI-video: Move four assignments in  acpi_video_get_levels() SF Markus Elfring <elfring@users.sourceforge.net> - 2017-08-09 17:50 +0200
  [PATCH v2 4/9] ACPI-video: Return directly after a failed  input_allocate_device() SF Markus Elfring <elfring@users.sourceforge.net> - 2017-08-09 17:50 +0200
  [PATCH v2 6/9] ACPI-video: Improve a jump target in  acpi_video_switch_brightness() SF Markus Elfring <elfring@users.sourceforge.net> - 2017-08-09 17:50 +0200
  [PATCH v2 7/9] ACPI-video: Delete an unnecessary initialisation in  three functions SF Markus Elfring <elfring@users.sourceforge.net> - 2017-08-09 17:50 +0200
  [PATCH v2 5/9] ACPI-video: Delete unnecessary if statement in  acpi_video_switch_brightness() SF Markus Elfring <elfring@users.sourceforge.net> - 2017-08-09 17:50 +0200

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