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Subject[PATCH] slimbus: add a check for the status of platform_driver_register
Date
platform_driver_register() may fail. The fix checks its status and
issues an error message if it fails.

Signed-off-by: Kangjie Lu <kjlu@umn.edu>
---
drivers/slimbus/qcom-ngd-ctrl.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/slimbus/qcom-ngd-ctrl.c b/drivers/slimbus/qcom-ngd-ctrl.c
index 1382a8df6c75..5b923c8dedb2 100644
--- a/drivers/slimbus/qcom-ngd-ctrl.c
+++ b/drivers/slimbus/qcom-ngd-ctrl.c
@@ -1443,7 +1443,9 @@ static int qcom_slim_ngd_ctrl_probe(struct platform_device *pdev)
init_completion(&ctrl->reconf);
init_completion(&ctrl->qmi.qmi_comp);

- platform_driver_register(&qcom_slim_ngd_driver);
+ ret = platform_driver_register(&qcom_slim_ngd_driver);
+ if (ret)
+ dev_err(&pdev->dev, "registering driver failed\n");
return of_qcom_slim_ngd_register(dev, ctrl);
}

--
2.17.2 (Apple Git-113)
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