[PATCH 6.0 598/862] clk: imx: scu: fix memleak on platform_device_add() fails

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From: Lin Yujun <linyujun809@xxxxxxxxxx>

[ Upstream commit 855ae87a2073ebf1b395e020de54fdf9ce7d166f ]

No error handling is performed when platform_device_add()
fails. Add error processing before return, and modified
the return value.

Fixes: 77d8f3068c63 ("clk: imx: scu: add two cells binding support")
Signed-off-by: Lin Yujun <linyujun809@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20220914033206.98046-1-linyujun809@xxxxxxxxxx
Signed-off-by: Stephen Boyd <sboyd@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 drivers/clk/imx/clk-scu.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/clk/imx/clk-scu.c b/drivers/clk/imx/clk-scu.c
index c56e406138db..1e6870f3671f 100644
--- a/drivers/clk/imx/clk-scu.c
+++ b/drivers/clk/imx/clk-scu.c
@@ -695,7 +695,11 @@ struct clk_hw *imx_clk_scu_alloc_dev(const char *name,
 		pr_warn("%s: failed to attached the power domain %d\n",
 			name, ret);
 
-	platform_device_add(pdev);
+	ret = platform_device_add(pdev);
+	if (ret) {
+		platform_device_put(pdev);
+		return ERR_PTR(ret);
+	}
 
 	/* For API backwards compatiblilty, simply return NULL for success */
 	return NULL;
-- 
2.35.1






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