On Wed, 6 Nov 2019 at 04:57, Wei Yongjun <weiyongjun1@xxxxxxxxxx> wrote:
>
> 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);
I have applied both patches but removed the "Fixes" line since the
commit is only visible in my local coresight next tree.
Thanks,
Mathieu
> desc.type = CORESIGHT_DEV_TYPE_LINK;
> desc.subtype.link_subtype = CORESIGHT_DEV_SUBTYPE_LINK_SPLIT;
> desc.ops = &replicator_cs_ops;
>
>
>
