* FAILED: Patch "clk: tegra: tegra124-emc: fix device leak on set_rate()" failed to apply to 5.10-stable tree
@ 2026-03-01 2:01 Sasha Levin
0 siblings, 0 replies; only message in thread
From: Sasha Levin @ 2026-03-01 2:01 UTC (permalink / raw)
To: stable, johan
Cc: Mikko Perttunen, Miaoqian Lin, Stephen Boyd, linux-clk,
linux-tegra
The patch below does not apply to the 5.10-stable tree.
If someone wants it applied there, or to any other stable or longterm
tree, then please email the backport, including the original git commit
id to <stable@vger.kernel.org>.
Thanks,
Sasha
------------------ original commit in Linus's tree ------------------
From da61439c63d34ae6503d080a847f144d587e3a48 Mon Sep 17 00:00:00 2001
From: Johan Hovold <johan@kernel.org>
Date: Fri, 21 Nov 2025 17:40:03 +0100
Subject: [PATCH] clk: tegra: tegra124-emc: fix device leak on set_rate()
Make sure to drop the reference taken when looking up the EMC device and
its driver data on first set_rate().
Note that holding a reference to a device does not prevent its driver
data from going away so there is no point in keeping the reference.
Fixes: 2db04f16b589 ("clk: tegra: Add EMC clock driver")
Fixes: 6d6ef58c2470 ("clk: tegra: tegra124-emc: Fix missing put_device() call in emc_ensure_emc_driver")
Cc: stable@vger.kernel.org # 4.2: 6d6ef58c2470
Cc: Mikko Perttunen <mperttunen@nvidia.com>
Cc: Miaoqian Lin <linmq006@gmail.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
---
drivers/clk/tegra/clk-tegra124-emc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/clk/tegra/clk-tegra124-emc.c b/drivers/clk/tegra/clk-tegra124-emc.c
index 2a6db04342815..2777e70da8b99 100644
--- a/drivers/clk/tegra/clk-tegra124-emc.c
+++ b/drivers/clk/tegra/clk-tegra124-emc.c
@@ -197,8 +197,8 @@ static struct tegra_emc *emc_ensure_emc_driver(struct tegra_clk_emc *tegra)
tegra->emc_node = NULL;
tegra->emc = platform_get_drvdata(pdev);
+ put_device(&pdev->dev);
if (!tegra->emc) {
- put_device(&pdev->dev);
pr_err("%s: cannot find EMC driver\n", __func__);
return NULL;
}
--
2.51.0
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2026-03-01 2:01 FAILED: Patch "clk: tegra: tegra124-emc: fix device leak on set_rate()" failed to apply to 5.10-stable tree Sasha Levin
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