From: Miaoqian Lin linmq006@gmail.com
stable inclusion from stable-v5.10.110 commit 1e06710c43a090f14bb67714265a01cd1d7a37c5 bugzilla: https://gitee.com/openeuler/kernel/issues/I574AL
Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=...
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[ Upstream commit 221e3638feb8bc42143833c9a704fa89b6c366bb ]
The reference taken by 'of_find_device_by_node()' must be released when not needed anymore. Add put_device() call to fix this.
Fixes: e94236cde4d5 ("drm/tegra: dsi: Add ganged mode support") Signed-off-by: Miaoqian Lin linmq006@gmail.com Signed-off-by: Thierry Reding treding@nvidia.com Signed-off-by: Sasha Levin sashal@kernel.org Signed-off-by: Yu Liao liaoyu15@huawei.com Reviewed-by: Wei Li liwei391@huawei.com Signed-off-by: Zheng Zengkai zhengzengkai@huawei.com --- drivers/gpu/drm/tegra/dsi.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/tegra/dsi.c b/drivers/gpu/drm/tegra/dsi.c index f46d377f0c30..de1333dc0d86 100644 --- a/drivers/gpu/drm/tegra/dsi.c +++ b/drivers/gpu/drm/tegra/dsi.c @@ -1538,8 +1538,10 @@ static int tegra_dsi_ganged_probe(struct tegra_dsi *dsi) dsi->slave = platform_get_drvdata(gangster); of_node_put(np);
- if (!dsi->slave) + if (!dsi->slave) { + put_device(&gangster->dev); return -EPROBE_DEFER; + }
dsi->slave->master = dsi; }