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* [RESEND PATCH] drm/mipi-dsi: Fix error handling in mipi_dsi_device_register_full
@ 2022-06-01 12:40 Miaoqian Lin
  2022-06-02  7:11 ` Andrzej Hajda
  0 siblings, 1 reply; 2+ messages in thread
From: Miaoqian Lin @ 2022-06-01 12:40 UTC (permalink / raw)
  To: Maarten Lankhorst, Maxime Ripard, Thomas Zimmermann,
	David Airlie, Daniel Vetter, Kyungmin Park, Thierry Reding,
	Andrzej Hajda, dri-devel, linux-kernel
  Cc: linmq006

In mipi_dsi_device_alloc(), it calls device_initialize(&dsi->dev);
We need to use put_device() instead freeing directly.

Fixes: 068a002 ("drm: Add MIPI DSI bus support")
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
---
 drivers/gpu/drm/drm_mipi_dsi.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/drm_mipi_dsi.c b/drivers/gpu/drm/drm_mipi_dsi.c
index c40bde96cfdf..8cc8deca006f 100644
--- a/drivers/gpu/drm/drm_mipi_dsi.c
+++ b/drivers/gpu/drm/drm_mipi_dsi.c
@@ -228,7 +228,7 @@ mipi_dsi_device_register_full(struct mipi_dsi_host *host,
 	ret = mipi_dsi_device_add(dsi);
 	if (ret) {
 		drm_err(host, "failed to add DSI device %d\n", ret);
-		kfree(dsi);
+		put_device(&dsi->dev);
 		return ERR_PTR(ret);
 	}
 
-- 
2.25.1


^ permalink raw reply	[flat|nested] 2+ messages in thread

* Re: [RESEND PATCH] drm/mipi-dsi: Fix error handling in mipi_dsi_device_register_full
  2022-06-01 12:40 [RESEND PATCH] drm/mipi-dsi: Fix error handling in mipi_dsi_device_register_full Miaoqian Lin
@ 2022-06-02  7:11 ` Andrzej Hajda
  0 siblings, 0 replies; 2+ messages in thread
From: Andrzej Hajda @ 2022-06-02  7:11 UTC (permalink / raw)
  To: Miaoqian Lin, Maarten Lankhorst, Maxime Ripard,
	Thomas Zimmermann, David Airlie, Daniel Vetter, Kyungmin Park,
	Thierry Reding, dri-devel, linux-kernel



On 01.06.2022 14:40, Miaoqian Lin wrote:
> In mipi_dsi_device_alloc(), it calls device_initialize(&dsi->dev);
> We need to use put_device() instead freeing directly.
>
> Fixes: 068a002 ("drm: Add MIPI DSI bus support")
> Signed-off-by: Miaoqian Lin <linmq006@gmail.com>

Looks correct.
Reviewed-by: Andrzej Hajda <andrzej.hajda@intel.com>

Regards
Andrzej

> ---
>   drivers/gpu/drm/drm_mipi_dsi.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/drm_mipi_dsi.c b/drivers/gpu/drm/drm_mipi_dsi.c
> index c40bde96cfdf..8cc8deca006f 100644
> --- a/drivers/gpu/drm/drm_mipi_dsi.c
> +++ b/drivers/gpu/drm/drm_mipi_dsi.c
> @@ -228,7 +228,7 @@ mipi_dsi_device_register_full(struct mipi_dsi_host *host,
>   	ret = mipi_dsi_device_add(dsi);
>   	if (ret) {
>   		drm_err(host, "failed to add DSI device %d\n", ret);
> -		kfree(dsi);
> +		put_device(&dsi->dev);
>   		return ERR_PTR(ret);
>   	}
>   


^ permalink raw reply	[flat|nested] 2+ messages in thread

end of thread, other threads:[~2022-06-02  7:11 UTC | newest]

Thread overview: 2+ messages (download: mbox.gz / follow: Atom feed)
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2022-06-01 12:40 [RESEND PATCH] drm/mipi-dsi: Fix error handling in mipi_dsi_device_register_full Miaoqian Lin
2022-06-02  7:11 ` Andrzej Hajda

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