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drm/bridge: samsung-dsim: use drm_bridge_clear_and_put() to put the next bridge

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drm_bridge_clear_and_put() is simpler to write and it prevents any
potential future use-after-free.

Reviewed-by: Osama Abdelkader <osama.abdelkader@gmail.com>
Acked-by: Marek Szyprowski <m.szyprowski@samsung.com>
Acked-by: Maxime Ripard <mripard@kernel.org>
Link: https://patch.msgid.link/20260310-drm-bridge-atomic-vs-remove-clear_and_put-v2-2-51fe222f3cf0@bootlin.com
Signed-off-by: Luca Ceresoli <luca.ceresoli@bootlin.com>
This commit is contained in:
Luca Ceresoli
2026-03-10 13:13:24 +01:00
parent 8f3c837205
commit fbef867cf6
1 changed files with 2 additions and 5 deletions
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7
drivers/gpu/drm/bridge/samsung-dsim.c
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@@ -1988,9 +1988,7 @@ static int samsung_dsim_host_attach(struct mipi_dsi_host *host,
return 0;
err_release_next_bridge:
drm_bridge_put(dsi->bridge.next_bridge);
dsi->bridge.next_bridge = NULL;
drm_bridge_clear_and_put(&dsi->bridge.next_bridge);
if (!(device->mode_flags & MIPI_DSI_MODE_VIDEO))
samsung_dsim_unregister_te_irq(dsi);
err_remove_bridge:
@@ -2007,8 +2005,7 @@ static int samsung_dsim_host_detach(struct mipi_dsi_host *host,
if (pdata->host_ops && pdata->host_ops->detach)
pdata->host_ops->detach(dsi, device);
drm_bridge_put(dsi->bridge.next_bridge);
dsi->bridge.next_bridge = NULL;
drm_bridge_clear_and_put(&dsi->bridge.next_bridge);
samsung_dsim_unregister_te_irq(dsi);