Commit d777a899 authored Jun 14, 2021 by Junhao He Committed by Greg Kroah-Hartman Jun 15, 2021

coresight: core: Fix use of uninitialized pointer

Currently the pointer "sink" might be checked before initialized. Fix
this by initializing this pointer.

Link: https://lore.kernel.org/r/1620912469-52222-2-git-send-email-liuqi115@huawei.com

Fixes: 6d578258 ("coresight: Make sysfs functional on topologies with per core sink")
Signed-off-by: Junhao He <hejunhao2@hisilicon.com>
Signed-off-by: Qi Liu <liuqi115@huawei.com>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Link: https://lore.kernel.org/r/20210614175901.532683-3-mathieu.poirier@linaro.org

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

parent 0ae8d798

drivers/hwtracing/coresight/coresight-core.c

+1 −1

Original line number	Original line	Diff line number	Diff line
	@@ -608,7 +608,7 @@ static struct coresight_device *
	coresight_find_enabled_sink(struct coresight_device *csdev)		coresight_find_enabled_sink(struct coresight_device *csdev)
	{		{
	int i;		int i;
	struct coresight_device *sink;		struct coresight_device *sink = NULL;

	if ((csdev->type == CORESIGHT_DEV_TYPE_SINK \|\|		if ((csdev->type == CORESIGHT_DEV_TYPE_SINK \|\|
	csdev->type == CORESIGHT_DEV_TYPE_LINKSINK) &&		csdev->type == CORESIGHT_DEV_TYPE_LINKSINK) &&