| From 9f6fc34932f695b1eb13fede75f39811372949e0 Mon Sep 17 00:00:00 2001 |
| From: Sasha Levin <sashal@kernel.org> |
| Date: Mon, 14 Jun 2021 11:58:57 -0600 |
| Subject: coresight: core: Fix use of uninitialized pointer |
| |
| From: Junhao He <hejunhao2@hisilicon.com> |
| |
| [ 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> |
| --- |
| drivers/hwtracing/coresight/coresight-core.c | 2 +- |
| 1 file changed, 1 insertion(+), 1 deletion(-) |
| |
| diff --git a/drivers/hwtracing/coresight/coresight-core.c b/drivers/hwtracing/coresight/coresight-core.c |
| index cc9e8025c533..b2088d2d386a 100644 |
| --- a/drivers/hwtracing/coresight/coresight-core.c |
| +++ b/drivers/hwtracing/coresight/coresight-core.c |
| @@ -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) && |
| -- |
| 2.30.2 |
| |
