linux-kernel - [PATCH v3 1/1] ALSA: control: Use list_for_each_entry

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-ID: <20240424145020.1057216-1-andriy.shevchenko@linux.intel.com>
Date: Wed, 24 Apr 2024 17:49:41 +0300
From: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To: Takashi Iwai <tiwai@...e.de>,
	linux-sound@...r.kernel.org,
	linux-kernel@...r.kernel.org
Cc: Jaroslav Kysela <perex@...ex.cz>,
	Takashi Iwai <tiwai@...e.com>,
	Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Subject: [PATCH v3 1/1] ALSA: control: Use list_for_each_entry_safe()

Instead of reiterating the list, use list_for_each_entry_safe()
that allows to continue without starting over.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Reviewed-by: Jaroslav Kysela <perex@...ex.cz>
---
v3: Update snd_ctl_led_reset() in the same way (Takashi)
v2: added tag (Jaroslav)
 sound/core/control_led.c | 15 +++++----------
 1 file changed, 5 insertions(+), 10 deletions(-)

diff --git a/sound/core/control_led.c b/sound/core/control_led.c
index 061a8ea23340..804805a95e2f 100644
--- a/sound/core/control_led.c
+++ b/sound/core/control_led.c
@@ -289,25 +289,22 @@ static void snd_ctl_led_ctl_destroy(struct snd_ctl_led_ctl *lctl)
 static void snd_ctl_led_clean(struct snd_card *card)
 {
 	unsigned int group;
+	struct snd_ctl_led_ctl *lctl, *_lctl;
 	struct snd_ctl_led *led;
-	struct snd_ctl_led_ctl *lctl;
 
 	for (group = 0; group < MAX_LED; group++) {
 		led = &snd_ctl_leds[group];
-repeat:
-		list_for_each_entry(lctl, &led->controls, list)
-			if (!card || lctl->card == card) {
+		list_for_each_entry_safe(lctl, _lctl, &led->controls, list)
+			if (!card || lctl->card == card)
 				snd_ctl_led_ctl_destroy(lctl);
-				goto repeat;
-			}
 	}
 }
 
 static int snd_ctl_led_reset(int card_number, unsigned int group)
 {
 	struct snd_card *card __free(snd_card_unref) = NULL;
+	struct snd_ctl_led_ctl *lctl, *_lctl;
 	struct snd_ctl_led *led;
-	struct snd_ctl_led_ctl *lctl;
 	struct snd_kcontrol_volatile *vd;
 	bool change = false;
 
@@ -319,14 +316,12 @@ static int snd_ctl_led_reset(int card_number, unsigned int group)
 		if (!snd_ctl_led_card_valid[card_number])
 			return -ENXIO;
 		led = &snd_ctl_leds[group];
-repeat:
-		list_for_each_entry(lctl, &led->controls, list)
+		list_for_each_entry_safe(lctl, _lctl, &led->controls, list)
 			if (lctl->card == card) {
 				vd = &lctl->kctl->vd[lctl->index_offset];
 				vd->access &= ~group_to_access(group);
 				snd_ctl_led_ctl_destroy(lctl);
 				change = true;
-				goto repeat;
 			}
 	}
 	if (change)
-- 
2.43.0.rc1.1336.g36b5255a03ac