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coresight: funnel: Fix missing spin_lock_init()

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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@huawei.com>
Tested-by: Yabin Cui <yabinc@google.com>
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Link: https://lore.kernel.org/r/20191118185207.30441-2-mathieu.poirier@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Wei Yongjun 2019-11-18 11:52:06 -07:00 committed by Greg Kroah-Hartman
parent 7a7ebfa85f
commit 9def5dc10d
1 changed files with 1 additions and 0 deletions
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1
drivers/hwtracing/coresight/coresight-funnel.c
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@ -253,6 +253,7 @@ static int funnel_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_MERG;
desc.ops = &funnel_cs_ops;