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| author | Sean Paul | 2019-05-22 22:08:21 +0200 |
|---|---|---|
| committer | Sean Paul | 2019-05-22 22:08:21 +0200 |
| commit | 374ed5429346a021c8e2d26fafce14c5b15dedd0 (patch) | |
| tree | 70739e93443494993197cc11f41c0fd0a0f3aac0 /drivers/hwtracing/coresight/coresight.c | |
| parent | video/hdmi: Add Unpack function for DRM infoframe (diff) | |
| parent | Linux 5.2-rc1 (diff) | |
| download | kernel-qcow2-linux-374ed5429346a021c8e2d26fafce14c5b15dedd0.tar.gz kernel-qcow2-linux-374ed5429346a021c8e2d26fafce14c5b15dedd0.tar.xz kernel-qcow2-linux-374ed5429346a021c8e2d26fafce14c5b15dedd0.zip | |
Merge drm/drm-next into drm-misc-next
Backmerging 5.2-rc1 to -misc-next for robher
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Diffstat (limited to 'drivers/hwtracing/coresight/coresight.c')
| -rw-r--r-- | drivers/hwtracing/coresight/coresight.c | 29 |
1 files changed, 15 insertions, 14 deletions
diff --git a/drivers/hwtracing/coresight/coresight.c b/drivers/hwtracing/coresight/coresight.c index 29cef898afba..4b130281236a 100644 --- a/drivers/hwtracing/coresight/coresight.c +++ b/drivers/hwtracing/coresight/coresight.c @@ -225,26 +225,28 @@ static int coresight_enable_sink(struct coresight_device *csdev, * We need to make sure the "new" session is compatible with the * existing "mode" of operation. */ - if (sink_ops(csdev)->enable) { - ret = sink_ops(csdev)->enable(csdev, mode, data); - if (ret) - return ret; - csdev->enable = true; - } + if (!sink_ops(csdev)->enable) + return -EINVAL; - atomic_inc(csdev->refcnt); + ret = sink_ops(csdev)->enable(csdev, mode, data); + if (ret) + return ret; + csdev->enable = true; return 0; } static void coresight_disable_sink(struct coresight_device *csdev) { - if (atomic_dec_return(csdev->refcnt) == 0) { - if (sink_ops(csdev)->disable) { - sink_ops(csdev)->disable(csdev); - csdev->enable = false; - } - } + int ret; + + if (!sink_ops(csdev)->disable) + return; + + ret = sink_ops(csdev)->disable(csdev); + if (ret) + return; + csdev->enable = false; } static int coresight_enable_link(struct coresight_device *csdev, @@ -973,7 +975,6 @@ static void coresight_device_release(struct device *dev) { struct coresight_device *csdev = to_coresight_device(dev); - kfree(csdev->conns); kfree(csdev->refcnt); kfree(csdev); } |