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authorZhang Qilong <zhangqilong3@huawei.com>2020-10-31 06:03:53 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-11-18 21:18:46 +0300
commita945da61809ebb8349e93f4356983363083937e0 (patch)
treeb0de60a157be82917a36778bb6afcf8a60e22c8e /drivers/vfio
parent2343665ea3627826e316674f4b80ee102b9010a7 (diff)
downloadlinux-a945da61809ebb8349e93f4356983363083937e0.tar.xz
vfio: platform: fix reference leak in vfio_platform_open
[ Upstream commit bb742ad01961a3b9d1f9d19375487b879668b6b2 ] pm_runtime_get_sync() will increment pm usage counter even it failed. Forgetting to call pm_runtime_put will result in reference leak in vfio_platform_open, so we should fix it. Signed-off-by: Zhang Qilong <zhangqilong3@huawei.com> Acked-by: Eric Auger <eric.auger@redhat.com> Signed-off-by: Alex Williamson <alex.williamson@redhat.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/vfio')
-rw-r--r--drivers/vfio/platform/vfio_platform_common.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/vfio/platform/vfio_platform_common.c b/drivers/vfio/platform/vfio_platform_common.c
index c0cd824be2b7..460760d0becf 100644
--- a/drivers/vfio/platform/vfio_platform_common.c
+++ b/drivers/vfio/platform/vfio_platform_common.c
@@ -273,7 +273,7 @@ static int vfio_platform_open(void *device_data)
ret = pm_runtime_get_sync(vdev->device);
if (ret < 0)
- goto err_pm;
+ goto err_rst;
ret = vfio_platform_call_reset(vdev, &extra_dbg);
if (ret && vdev->reset_required) {
@@ -290,7 +290,6 @@ static int vfio_platform_open(void *device_data)
err_rst:
pm_runtime_put(vdev->device);
-err_pm:
vfio_platform_irq_cleanup(vdev);
err_irq:
vfio_platform_regions_cleanup(vdev);