[PATCH v9 06/22] drm/bridge: synopsys: dw-dp: Add missing mutex cleanups on module removal
Sebastian Reichel <[email protected]> Mon, 03 Aug 2026 20:05:07 +0200
| Newsgroups | org.freedesktop.lists.dri-devel,org.infradead.lists.linux-arm-kernel,org.infradead.lists.linux-rockchip,org.kernel.vger.linux-devicetree,org.kernel.vger.linux-kernel |
|---|---|
| Message-ID | <20260803-synopsys-dw-dp-improvements-v9-6-2e6e46135312@collabora.com> |
The driver is currently missing to fully clean up after itself. Ensure
that the mutex is cleaned up.
Fixes: 86eecc3a9c2e ("drm/bridge: synopsys: Add DW DPTX Controller support library")
Reported-by: Sashiko <[email protected]>
Signed-off-by: Sebastian Reichel <[email protected]>
---
drivers/gpu/drm/bridge/synopsys/dw-dp.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/bridge/synopsys/dw-dp.c b/drivers/gpu/drm/bridge/synopsys/dw-dp.c
index facd1c479992..af3fa7886429 100644
--- a/drivers/gpu/drm/bridge/synopsys/dw-dp.c
+++ b/drivers/gpu/drm/bridge/synopsys/dw-dp.c
@@ -2039,9 +2039,12 @@ struct dw_dp *dw_dp_probe(struct platform_device *pdev, const struct dw_dp_plat_
dp->pixel_mode = plat_data->pixel_mode;
dp->plat_data.max_link_rate = plat_data->max_link_rate;
- mutex_init(&dp->irq_lock);
init_completion(&dp->complete);
+ ret = devm_mutex_init(dev, &dp->irq_lock);
+ if (ret)
+ return ERR_PTR(ret);
+
res = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(res))
return ERR_CAST(res);
--
2.53.0