[PATCH] spi-topcliff-pch: missing platform_driver_unregister() onerror in pch_spi_init()

[Wei Yongjun]

From: Wei Yongjun <yongjun_wei@xxxxxxxxxxxxxxxxx>

Add the missing platform_driver_unregister() before return
from pch_spi_init() in the error handling case.

Signed-off-by: Wei Yongjun <yongjun_wei@xxxxxxxxxxxxxxxxx>
---
 drivers/spi/spi-topcliff-pch.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/spi/spi-topcliff-pch.c b/drivers/spi/spi-topcliff-pch.c
index f756481..c8b672e 100644
--- a/drivers/spi/spi-topcliff-pch.c
+++ b/drivers/spi/spi-topcliff-pch.c
@@ -1789,8 +1789,10 @@ static int __init pch_spi_init(void)
 		return ret;
 
 	ret = pci_register_driver(&pch_spi_pcidev_driver);
-	if (ret)
+	if (ret) {
+		platform_driver_unregister(&pch_spi_pd_driver);
 		return ret;
+	}
 
 	return 0;
 }

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