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drm/exynos: Don't reset bridge->next

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[ Upstream commit bd19c4527056b3e42e8c286136660aa14d0b6c90 ]

bridge->next is only points to the new bridge if drm_bridge_attach()
succeeds. No need to reset it manually here.

Note that this change is part of the attempt to make the bridge chain
a double-linked list. In order to do that we must patch all drivers
manipulating the bridge->next field.

Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Inki Dae <inki.dae@samsung.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191023154512.9762-3-boris.brezillon@collabora.com
Stable-dep-of: 13fcfcb2a9a4 ("drm/msm/mdp5: Add check for kzalloc")
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Boris Brezillon 2019-10-23 17:44:53 +02:00 committed by Greg Kroah-Hartman
parent dadd30fcc7
commit 2c33a6141d
1 changed files with 0 additions and 1 deletions
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1
drivers/gpu/drm/exynos/exynos_dp.c
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@ -109,7 +109,6 @@ static int exynos_dp_bridge_attach(struct analogix_dp_plat_data *plat_data,
if (ret) {
DRM_DEV_ERROR(dp->dev,
"Failed to attach bridge to drm\n");
bridge->next = NULL;
return ret;
}
}