linux-kernel - [PATCH] staging: greybus: audio: replace safe list iteration

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Message-Id: <20220610075347.18917-1-johan@kernel.org>
Date:   Fri, 10 Jun 2022 09:53:47 +0200
From:   Johan Hovold <johan@...nel.org>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     Alex Elder <elder@...nel.org>, greybus-dev@...ts.linaro.org,
        linux-staging@...ts.linux.dev, linux-kernel@...r.kernel.org,
        Jared Kangas <kangas.jd@...il.com>,
        Johan Hovold <johan@...nel.org>
Subject: [PATCH] staging: greybus: audio: replace safe list iteration

No entry is being removed from the list when iterating the widget list
in gbaudio_dapm_free_controls() so there's no need to use
list_for_each_entry_safe().

Signed-off-by: Johan Hovold <johan@...nel.org>
---
 drivers/staging/greybus/audio_helper.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/staging/greybus/audio_helper.c b/drivers/staging/greybus/audio_helper.c
index 07461a5d97c7..05e91e6bc2a0 100644
--- a/drivers/staging/greybus/audio_helper.c
+++ b/drivers/staging/greybus/audio_helper.c
@@ -115,7 +115,7 @@ int gbaudio_dapm_free_controls(struct snd_soc_dapm_context *dapm,
 			       int num)
 {
 	int i;
-	struct snd_soc_dapm_widget *w, *next_w, *tmp_w;
+	struct snd_soc_dapm_widget *w, *tmp_w;
 #ifdef CONFIG_DEBUG_FS
 	struct dentry *parent = dapm->debugfs_dapm;
 	struct dentry *debugfs_w = NULL;
@@ -125,8 +125,7 @@ int gbaudio_dapm_free_controls(struct snd_soc_dapm_context *dapm,
 	for (i = 0; i < num; i++) {
 		/* below logic can be optimized to identify widget pointer */
 		w = NULL;
-		list_for_each_entry_safe(tmp_w, next_w, &dapm->card->widgets,
-					 list) {
+		list_for_each_entry(tmp_w, &dapm->card->widgets, list) {
 			if (tmp_w->dapm == dapm &&
 			    !strcmp(tmp_w->name, widget->name)) {
 				w = tmp_w;
-- 
2.35.1