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linux-stable/drivers/gpu/drm/meson
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Julia Lawall 6d09976cca drm/meson: add missing of_node_put 
[ Upstream commit f672b93e4a ]

Add an of_node_put when the result of of_graph_get_remote_port_parent is
not available.

An of_node_put is also needed when meson_probe_remote completes.  This was
present at the recursive call, but not in the call from meson_drv_probe.

The semantic match that finds this problem is as follows
(http://coccinelle.lip6.fr):

// <smpl>
@r exists@
local idexpression e;
expression x;
@@
e = of_graph_get_remote_port_parent(...);
... when != x = e
    when != true e == NULL
    when != of_node_put(e)
    when != of_fwnode_handle(e)
(
return e;
|
*return ...;
)
// </smpl>

Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Acked-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1547372691-28324-4-git-send-email-Julia.Lawall@lip6.fr
Signed-off-by: Sasha Levin <sashal@kernel.org>
2019-02-27 10:08:55 +01:00
..
Kconfig drm/meson: Add support for HDMI encoder and DW-HDMI bridge + PHY 2017-04-04 17:49:31 +02:00
Makefile drm/meson: Add support for HDMI encoder and DW-HDMI bridge + PHY 2017-04-04 17:49:31 +02:00
meson_canvas.c drm/meson: Convert existing documentation to actual kerneldoc 2017-04-04 17:49:31 +02:00
meson_canvas.h
meson_crtc.c drm/meson: Fix atomic mode switching regression 2019-01-31 08:14:40 +01:00
meson_crtc.h
meson_drv.c drm/meson: add missing of_node_put 2019-02-27 10:08:55 +01:00
meson_drv.h drm/meson: fix vsync buffer update 2018-02-20 10:03:52 +01:00
meson_dw_hdmi.c drm/meson: Enable fast_io in meson_dw_hdmi_regmap_config 2018-12-08 12:59:07 +01:00
meson_dw_hdmi.h drm/meson: Add support for HDMI encoder and DW-HDMI bridge + PHY 2017-04-04 17:49:31 +02:00
meson_plane.c Linux 4.16-rc7 2018-03-28 14:30:41 +10:00
meson_plane.h
meson_registers.h drm/meson: Add missing VPU init 2017-12-08 10:43:46 +01:00
meson_vclk.c drm/meson: Make DMT timings parameters and pixel clock generic 2018-07-16 11:14:59 +02:00
meson_vclk.h drm/meson: Make DMT timings parameters and pixel clock generic 2018-07-16 11:14:59 +02:00
meson_venc.c drm/meson: add support for 1080p25 mode 2018-12-17 09:24:36 +01:00
meson_venc.h drm/meson: Make DMT timings parameters and pixel clock generic 2018-07-16 11:14:59 +02:00
meson_venc_cvbs.c drm: drop _mode_ from drm_mode_connector_attach_encoder 2018-07-13 18:40:27 +02:00
meson_venc_cvbs.h
meson_viu.c drm/meson: Fix OOB memory accesses in meson_viu_set_osd_lut() 2018-12-08 12:59:08 +01:00
meson_viu.h
meson_vpp.c drm/meson: Convert existing documentation to actual kerneldoc 2017-04-04 17:49:31 +02:00
meson_vpp.h drm/meson: Add support for HDMI venc modes and settings 2017-04-04 17:49:31 +02:00