The driver allocates the spinlock but not initialize it. Use spin_lock_init() on it to initialize it correctly. This is detected by Coccinelle semantic patch. Fixes: 0093875ad129 ("coresight: Serialize enabling/disabling a link device.") Signed-off-by: Wei Yongjun <weiyongjun1@xxxxxxxxxx> --- drivers/hwtracing/coresight/coresight-replicator.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/hwtracing/coresight/coresight-replicator.c b/drivers/hwtracing/coresight/coresight-replicator.c index 43304196a1a6..e7dc1c31d20d 100644 --- a/drivers/hwtracing/coresight/coresight-replicator.c +++ b/drivers/hwtracing/coresight/coresight-replicator.c @@ -248,6 +248,7 @@ static int replicator_probe(struct device *dev, struct resource *res) } dev->platform_data = pdata; + spin_lock_init(&drvdata->spinlock); desc.type = CORESIGHT_DEV_TYPE_LINK; desc.subtype.link_subtype = CORESIGHT_DEV_SUBTYPE_LINK_SPLIT; desc.ops = &replicator_cs_ops;