summary refs log tree commit diff
path: root/drivers/clk/imx
diff options
context:
space:
mode:
authorKrzysztof Kozlowski <krzysztof.kozlowski@linaro.org>2022-04-19 13:34:32 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2022-04-22 17:13:54 +0200
commitfb4ac6f18be1a6ac0dfdb25adfcf26462c6e2ac0 (patch)
treefaad32c436ac36d9b377bb6cbe1f737ac062bafa /drivers/clk/imx
parent240bf4e665741241983580812a2be1b033f120ee (diff)
downloadlinux-fb4ac6f18be1a6ac0dfdb25adfcf26462c6e2ac0.tar.gz
clk: imx: scu: Fix kfree() of static memory on setting driver_override
The driver_override field from platform driver should not be initialized
from static memory (string literal) because the core later kfree() it,
for example when driver_override is set via sysfs.

Use dedicated helper to set driver_override properly.

Fixes: 77d8f3068c63 ("clk: imx: scu: add two cells binding support")
Acked-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20220419113435.246203-10-krzysztof.kozlowski@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/clk/imx')
-rw-r--r--drivers/clk/imx/clk-scu.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/clk/imx/clk-scu.c b/drivers/clk/imx/clk-scu.c
index 083da31dc3ea..4b2268b7d0d0 100644
--- a/drivers/clk/imx/clk-scu.c
+++ b/drivers/clk/imx/clk-scu.c
@@ -683,7 +683,12 @@ struct clk_hw *imx_clk_scu_alloc_dev(const char *name,
 		return ERR_PTR(ret);
 	}
 
-	pdev->driver_override = "imx-scu-clk";
+	ret = driver_set_override(&pdev->dev, &pdev->driver_override,
+				  "imx-scu-clk", strlen("imx-scu-clk"));
+	if (ret) {
+		platform_device_put(pdev);
+		return ERR_PTR(ret);
+	}
 
 	ret = imx_clk_scu_attach_pd(&pdev->dev, rsrc_id);
 	if (ret)