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Date: Tue, 22 Dec 2020 21:19:52 -0500 From: Sasha Levin <sashal@...nel.org> To: linux-kernel@...r.kernel.org, stable@...r.kernel.org Cc: Qinglang Miao <miaoqinglang@...wei.com>, Sam Ravnborg <sam@...nborg.org>, Sasha Levin <sashal@...nel.org>, dri-devel@...ts.freedesktop.org Subject: [PATCH AUTOSEL 4.19 16/87] drm: panel: simple: add missing platform_driver_unregister() in panel_simple_init From: Qinglang Miao <miaoqinglang@...wei.com> [ Upstream commit f2e66f212a9de04afc2caa5ec79057c0ac75c728 ] Add the missing platform_driver_unregister() before return from panel_simple_init in the error handling case when failed to register panel_simple_dsi_driver with CONFIG_DRM_MIPI_DSI enabled. Signed-off-by: Qinglang Miao <miaoqinglang@...wei.com> Signed-off-by: Sam Ravnborg <sam@...nborg.org> Link: https://patchwork.freedesktop.org/patch/msgid/20201031011856.137307-1-miaoqinglang@huawei.com Signed-off-by: Sasha Levin <sashal@...nel.org> --- drivers/gpu/drm/panel/panel-simple.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c index 8814aa38c5e7b..eead8f075c94b 100644 --- a/drivers/gpu/drm/panel/panel-simple.c +++ b/drivers/gpu/drm/panel/panel-simple.c @@ -2878,8 +2878,10 @@ static int __init panel_simple_init(void) if (IS_ENABLED(CONFIG_DRM_MIPI_DSI)) { err = mipi_dsi_driver_register(&panel_simple_dsi_driver); - if (err < 0) + if (err < 0) { + platform_driver_unregister(&panel_simple_platform_driver); return err; + } } return 0; -- 2.27.0
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