From: bui duc phuc Date: Wed, 29 Apr 2026 10:27:43 +0000 (+0700) Subject: ASoC: tegra: Use guard() for mutex locks X-Git-Url: http://git.ipfire.org/gitweb/index.cgi?a=commitdiff_plain;h=b5a1493d9479b60310ca0d33402ad7cef7ca358e;p=thirdparty%2Flinux.git ASoC: tegra: Use guard() for mutex locks Clean up the code using guard() for mutex locks. Merely code refactoring, and no behavior change. Signed-off-by: bui duc phuc Link: https://patch.msgid.link/20260429102743.103197-1-phucduc.bui@gmail.com Signed-off-by: Mark Brown --- diff --git a/sound/soc/tegra/tegra_isomgr_bw.c b/sound/soc/tegra/tegra_isomgr_bw.c index c0f300fb3d381..1c007f870759a 100644 --- a/sound/soc/tegra/tegra_isomgr_bw.c +++ b/sound/soc/tegra/tegra_isomgr_bw.c @@ -56,19 +56,18 @@ int tegra_isomgr_adma_setbw(struct snd_pcm_substream *substream, sample_bytes; } - mutex_lock(&adma_isomgr->mutex); - - if (is_running) { - if (bandwidth + adma_isomgr->current_bandwidth > adma_isomgr->max_bw) - bandwidth = adma_isomgr->max_bw - adma_isomgr->current_bandwidth; - - adma_isomgr->current_bandwidth += bandwidth; - } else { - adma_isomgr->current_bandwidth -= adma_isomgr->bw_per_dev[type][pcm->device]; + scoped_guard(mutex, &adma_isomgr->mutex) { + if (is_running) { + if (bandwidth + adma_isomgr->current_bandwidth > adma_isomgr->max_bw) + bandwidth = adma_isomgr->max_bw - adma_isomgr->current_bandwidth; + + adma_isomgr->current_bandwidth += bandwidth; + } else { + adma_isomgr->current_bandwidth -= + adma_isomgr->bw_per_dev[type][pcm->device]; + } } - mutex_unlock(&adma_isomgr->mutex); - adma_isomgr->bw_per_dev[type][pcm->device] = bandwidth; dev_dbg(dev, "Setting up bandwidth to %d KBps\n", adma_isomgr->current_bandwidth);