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Commit ba231009 authored by Christophe JAILLET's avatar Christophe JAILLET Committed by Greg Kroah-Hartman
Browse files

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



[ Upstream commit ce7c90bfda2656418c69ba0dd8f8a7536b8928d4 ]

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

Fixes: b759012c ("drm/stm: Add STM32 LTDC driver")
Signed-off-by: default avatarChristophe JAILLET <christophe.jaillet@wanadoo.fr>
Acked-by: default avatarRaphael 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: default avatarRaphael Gallais-Pou <raphael.gallais-pou@foss.st.com>
Signed-off-by: default avatarSasha Levin <sashal@kernel.org>
parent c3c9c5da

drivers/gpu/drm/stm/drv.c

+3 −1
Original line number Diff line number Diff line
@@ -208,12 +208,14 @@ 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_generic_setup(ddev, 16);



	return 0;



err_unload:

	drv_unload(ddev);

err_put:

	drm_dev_put(ddev);