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Message-Id: <20191118185207.30441-3-mathieu.poirier@linaro.org>
Date: Mon, 18 Nov 2019 11:52:07 -0700
From: Mathieu Poirier <mathieu.poirier@...aro.org>
To: gregkh@...uxfoundation.org
Cc: linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH 2/2] coresight: replicator: Fix missing spin_lock_init()
From: Wei Yongjun <weiyongjun1@...wei.com>
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.
Signed-off-by: Wei Yongjun <weiyongjun1@...wei.com>
Tested-by: Yabin Cui <yabinc@...gle.com>
Signed-off-by: Mathieu Poirier <mathieu.poirier@...aro.org>
---
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;
--
2.17.1
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