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coresight: core: Fix use of uninitialized pointer

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[ Upstream commit d777a8991847729ec4e2a13fcad58c2b00bb19dc ]

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: 6d578258b955 ("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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Junhao He
2021-06-14 11:58:57 -06:00
committed by Greg Kroah-Hartman
parent 58c0621c44
commit c5cd4b74fd
1 changed files with 1 additions and 1 deletions
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2
drivers/hwtracing/coresight/coresight-core.c
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@ -581,7 +581,7 @@ static struct coresight_device *
coresight_find_enabled_sink(struct coresight_device *csdev)
{
int i;
struct coresight_device *sink;
struct coresight_device *sink = NULL;
if ((csdev->type == CORESIGHT_DEV_TYPE_SINK ||
csdev->type == CORESIGHT_DEV_TYPE_LINKSINK) &&