[PATCH] crypto: caam: depopulate job rings on populate failure

[Pengpeng Hou <pengpeng@iscas.ac.cn>]

devm_of_platform_populate() only registers its automatic cleanup action
after child population succeeds.  If CAAM job-ring population fails after
creating some job-ring devices, the probe error path reports the error
but leaves the partial children registered.

Explicitly depopulate the job-ring children on the populate failure path.

Signed-off-by: Pengpeng Hou <pengpeng@iscas.ac.cn>
---
 drivers/crypto/caam/ctrl.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/crypto/caam/ctrl.c b/drivers/crypto/caam/ctrl.c
index 320be5d77737..716c57b9f89b 100644
--- a/drivers/crypto/caam/ctrl.c
+++ b/drivers/crypto/caam/ctrl.c
@@ -1150,8 +1150,10 @@ static int caam_probe(struct platform_device *pdev)
 		 ctrlpriv->total_jobrs, ctrlpriv->qi_present);
 
 	ret = devm_of_platform_populate(dev);
-	if (ret)
+	if (ret) {
 		dev_err(dev, "JR platform devices creation error\n");
+		of_platform_depopulate(dev);
+	}
 
 	return ret;
 }
-- 
2.50.1 (Apple Git-155)