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authorRuidong Tian <tianruidong@linux.alibaba.com>2023-04-25 06:24:16 +0300
committerSuzuki K Poulose <suzuki.poulose@arm.com>2023-05-11 13:18:21 +0300
commit04ac7f98b92181179ea84439642493f3826d04a2 (patch)
tree7a0264e1479933a5f6b8b3385ccf304855219e60 /drivers/hwtracing/coresight
parentf67bc15e526bb9920683ad6c1891ff9e08981335 (diff)
downloadlinux-04ac7f98b92181179ea84439642493f3826d04a2.tar.xz
coresight: perf: Release Coresight path when alloc trace id failed
Error handler for etm_setup_aux can not release coresight path because cpu mask was cleared when coresight_trace_id_get_cpu_id failed. Call coresight_release_path function explicitly when alloc trace id filed. Fixes: 4ff1fdb4125c4 ("coresight: perf: traceid: Add perf ID allocation and notifiers") Signed-off-by: Ruidong Tian <tianruidong@linux.alibaba.com> Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com> Link: https://lore.kernel.org/r/20230425032416.125542-1-tianruidong@linux.alibaba.com
Diffstat (limited to 'drivers/hwtracing/coresight')
-rw-r--r--drivers/hwtracing/coresight/coresight-etm-perf.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/hwtracing/coresight/coresight-etm-perf.c b/drivers/hwtracing/coresight/coresight-etm-perf.c
index 711f451b6946..89e8ed214ea4 100644
--- a/drivers/hwtracing/coresight/coresight-etm-perf.c
+++ b/drivers/hwtracing/coresight/coresight-etm-perf.c
@@ -402,6 +402,7 @@ static void *etm_setup_aux(struct perf_event *event, void **pages,
trace_id = coresight_trace_id_get_cpu_id(cpu);
if (!IS_VALID_CS_TRACE_ID(trace_id)) {
cpumask_clear_cpu(cpu, mask);
+ coresight_release_path(path);
continue;
}