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Groups > linux.kernel > #1425169

[PATCH v2] ALSA: usb-audio: Change structure initialisation to C99 style

From Amitoj Kaur Chawla <amitoj1606@gmail.com>
Newsgroups linux.kernel
Subject [PATCH v2] ALSA: usb-audio: Change structure initialisation to C99 style
Date 2016-06-17 16:50 +0200
Message-ID <rL3fQ-7LV-25@gated-at.bofh.it> (permalink)
Organization linux.* mail to news gateway

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To allow for structure randomisation, replace the in order struct
initialisation style with explicit field style.

The Coccinelle semantic patch used to make this change is as follows:

@decl@
identifier i1,fld;
type T;
field list[n] fs;
@@

struct i1 {
 fs
 T fld;
 ...};

@@
identifier decl.i1,i2,decl.fld;
expression e;
position bad.p, bad.fix;
@@

struct i1 i2@p = { ...,
+ .fld = e
- e@fix
 ,...};

Signed-off-by: Amitoj Kaur Chawla <amitoj1606@gmail.com>
---
Changes in v2:
        -Modified commit message

 sound/usb/mixer_maps.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/sound/usb/mixer_maps.c b/sound/usb/mixer_maps.c
index 1f8fb0d9..9038b2e 100644
--- a/sound/usb/mixer_maps.c
+++ b/sound/usb/mixer_maps.c
@@ -107,8 +107,10 @@ static struct usbmix_name_map extigy_map[] = {
  * e.g. no Master and fake PCM volume
  *			Pavel Mihaylov <bin@bash.info>
  */
-static struct usbmix_dB_map mp3plus_dB_1 = {-4781, 0};	/* just guess */
-static struct usbmix_dB_map mp3plus_dB_2 = {-1781, 618}; /* just guess */
+static struct usbmix_dB_map mp3plus_dB_1 = {.min = -4781, .max = 0};
+						/* just guess */
+static struct usbmix_dB_map mp3plus_dB_2 = {.min = -1781, .max = 618};
+						/* just guess */
 
 static struct usbmix_name_map mp3plus_map[] = {
 	/* 1: IT pcm */
-- 
1.9.1

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[PATCH v2] ALSA: usb-audio: Change structure initialisation to C99  style Amitoj Kaur Chawla <amitoj1606@gmail.com> - 2016-06-17 16:50 +0200
  Re: [PATCH v2] ALSA: usb-audio: Change structure initialisation to C99 style Takashi Iwai <tiwai@suse.de> - 2016-06-17 17:10 +0200

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