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authorWei Yongjun <weiyongjun1@huawei.com>2019-11-18 11:52:07 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-11-19 19:18:15 +0100
commit9a5d847c0bdadb67892b7d176a028578aaed0c3a (patch)
tree7aa253b40cc1636e245b717a03ad4512d61393ee /drivers/hwtracing
parentcoresight: funnel: Fix missing spin_lock_init() (diff)
downloadlinux-dev-9a5d847c0bdadb67892b7d176a028578aaed0c3a.tar.xz
linux-dev-9a5d847c0bdadb67892b7d176a028578aaed0c3a.zip
coresight: replicator: Fix missing spin_lock_init()
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/20191118185207.30441-3-mathieu.poirier@linaro.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/hwtracing')
-rw-r--r--drivers/hwtracing/coresight/coresight-replicator.c1
1 files changed, 1 insertions, 0 deletions
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;