diff options
| author | Liang He <windhl@126.com> | 2022-07-26 04:07:22 +0300 |
|---|---|---|
| committer | Neil Armstrong <narmstrong@baylibre.com> | 2022-08-08 10:46:22 +0300 |
| commit | 91b3c8dbe898df158fd2a84675f3a284ff6666f7 (patch) | |
| tree | 6f46b3b202df5904035527d54c46daad990e7b4b /drivers/gpu/drm/meson | |
| parent | c20ee5749a3f688d9bab83a3b09b75587153ff13 (diff) | |
| download | linux-91b3c8dbe898df158fd2a84675f3a284ff6666f7.tar.xz | |
drm/meson: Fix refcount bugs in meson_vpu_has_available_connectors()
In this function, there are two refcount leak bugs:
(1) when breaking out of for_each_endpoint_of_node(), we need call
the of_node_put() for the 'ep';
(2) we should call of_node_put() for the reference returned by
of_graph_get_remote_port() when it is not used anymore.
Fixes: bbbe775ec5b5 ("drm: Add support for Amlogic Meson Graphic Controller")
Signed-off-by: Liang He <windhl@126.com>
Acked-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Acked-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220726010722.1319416-1-windhl@126.com
Diffstat (limited to 'drivers/gpu/drm/meson')
| -rw-r--r-- | drivers/gpu/drm/meson/meson_drv.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/gpu/drm/meson/meson_drv.c b/drivers/gpu/drm/meson/meson_drv.c index 1b70938cfd2c..bd4ca11d3ff5 100644 --- a/drivers/gpu/drm/meson/meson_drv.c +++ b/drivers/gpu/drm/meson/meson_drv.c @@ -115,8 +115,11 @@ static bool meson_vpu_has_available_connectors(struct device *dev) for_each_endpoint_of_node(dev->of_node, ep) { /* If the endpoint node exists, consider it enabled */ remote = of_graph_get_remote_port(ep); - if (remote) + if (remote) { + of_node_put(remote); + of_node_put(ep); return true; + } } return false; |