This is a note to let you know that I've just added the patch titled
clk: tegra: tegra124-emc: Fix missing put_device() call in emc_ensure_emc_driver
to the 5.15-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
clk-tegra-tegra124-emc-fix-missing-put_device-call-i.patch
and it can be found in the queue-5.15 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit b7bee6d4e29f9fe7c3b32c4b507a7949a83e9823
Author: Miaoqian Lin <linmq006@xxxxxxxxx>
Date: Wed Jan 12 10:45:01 2022 +0000
clk: tegra: tegra124-emc: Fix missing put_device() call in emc_ensure_emc_driver
[ Upstream commit 6d6ef58c2470da85a99119f74d34216c8074b9f0 ]
The reference taken by 'of_find_device_by_node()' must be released when
not needed anymore.
Add the corresponding 'put_device()' in the error handling path.
Fixes: 2db04f16b589 ("clk: tegra: Add EMC clock driver")
Signed-off-by: Miaoqian Lin <linmq006@xxxxxxxxx>
Acked-by: Thierry Reding <treding@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20220112104501.30655-1-linmq006@xxxxxxxxx
Signed-off-by: Stephen Boyd <sboyd@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/clk/tegra/clk-tegra124-emc.c b/drivers/clk/tegra/clk-tegra124-emc.c
index 74c1d894cca8..219c80653dbd 100644
--- a/drivers/clk/tegra/clk-tegra124-emc.c
+++ b/drivers/clk/tegra/clk-tegra124-emc.c
@@ -198,6 +198,7 @@ static struct tegra_emc *emc_ensure_emc_driver(struct tegra_clk_emc *tegra)
tegra->emc = platform_get_drvdata(pdev);
if (!tegra->emc) {
+ put_device(&pdev->dev);
pr_err("%s: cannot find EMC driver\n", __func__);
return NULL;
}
