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drm/stm: Fix an error handling path in stm_drm_platform_probe()

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[ Upstream commit ce7c90bfda ]

If drm_dev_register() fails, a call to drv_load() must be undone, as
already done in the remove function.

Fixes: b759012c5f ("drm/stm: Add STM32 LTDC driver")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Acked-by: Raphael Gallais-Pou <raphael.gallais-pou@foss.st.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20fff7f853f20a48a96db8ff186124470ec4d976.1704560028.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Raphael Gallais-Pou <raphael.gallais-pou@foss.st.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Christophe JAILLET 2024-01-06 17:54:32 +01:00 committed by Greg Kroah-Hartman
parent 8e6f4aa43b
commit 6e513c2e94
1 changed files with 3 additions and 1 deletions
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4
drivers/gpu/drm/stm/drv.c
View File

@ -203,12 +203,14 @@ static int stm_drm_platform_probe(struct platform_device *pdev)
ret = drm_dev_register(ddev, 0);
if (ret)
goto err_put;
goto err_unload;
drm_fbdev_dma_setup(ddev, 16);
return 0;
err_unload:
drv_unload(ddev);
err_put:
drm_dev_put(ddev);