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| author | Wei Yongjun <weiyongjun1@huawei.com> | 2019-11-18 21:52:06 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-11-19 21:18:15 +0300 |
| commit | 9def5dc10d3e21cf7673731be21224b6cc0eb16a (patch) | |
| tree | 957a6d0e47d349921ddb8a615ec98bcb4a54296f | |
| parent | 7a7ebfa85f4fac349f3ab219538c44efe18b0cf6 (diff) | |
| download | linux-9def5dc10d3e21cf7673731be21224b6cc0eb16a.tar.xz | |
coresight: funnel: 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/20191118185207.30441-2-mathieu.poirier@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/hwtracing/coresight/coresight-funnel.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/hwtracing/coresight/coresight-funnel.c b/drivers/hwtracing/coresight/coresight-funnel.c index b605889b507a..900690a9f7f0 100644 --- a/drivers/hwtracing/coresight/coresight-funnel.c +++ b/drivers/hwtracing/coresight/coresight-funnel.c @@ -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; |