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coresight: etm4x: fix leaked trace id

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If etm4_enable_sysfs() fails in cscfg_csdev_enable_active_config(),
the trace ID may be leaked because it is not released.

To address this, call etm4_release_trace_id() when etm4_enable_sysfs()
fails in cscfg_csdev_enable_active_config().

Fixes: 7ebd0ec6cf ("coresight: configfs: Allow configfs to activate configuration")
Reviewed-by: Jie Gan <jie.gan@oss.qualcomm.com>
Reviewed-by: Leo Yan <leo.yan@arm.com>
Signed-off-by: Yeoreum Yun <yeoreum.yun@arm.com>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Link: https://lore.kernel.org/r/20260725113645.57519-4-yeoreum.yun@arm.com
This commit is contained in:
Yeoreum Yun 2026-07-25 12:36:35 +01:00 committed by Suzuki K Poulose
parent 1674d9bff8
commit 467e5862cc
1 changed files with 3 additions and 1 deletions
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4
drivers/hwtracing/coresight/coresight-etm4x-core.c
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@ -920,8 +920,10 @@ static int etm4_enable_sysfs(struct coresight_device *csdev, struct coresight_pa
cscfg_config_sysfs_get_active_cfg(&cfg_hash, &preset);
if (cfg_hash) {
ret = cscfg_csdev_enable_active_config(csdev, cfg_hash, preset);
if (ret)
if (ret) {
etm4_release_trace_id(drvdata);
return ret;
}
}
raw_spin_lock(&drvdata->spinlock);