[PATCH] nfc: mrvl: spi: Unregister dev on allocation fail

[Greg Kroah-Hartman]

From: Griffin Kroah-Hartman <griffin@xxxxxxxxx>

Call nfcmrvl_nci_unregister_dev() if nci_spi_allocate_spi() fails,
unwrapping the previous call to nfcmrvl_nci_register_dev() during the
nfcmrvl_spi_probe() function.

Assisted-by: gkh-clanker-2000
Cc: David Heidelberg <david@xxxxxxx>
Signed-off-by: Griffin Kroah-Hartman <griffin@xxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
 drivers/nfc/nfcmrvl/spi.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/nfc/nfcmrvl/spi.c b/drivers/nfc/nfcmrvl/spi.c
index 9c8cde1250fb..dad07c8e13b8 100644
--- a/drivers/nfc/nfcmrvl/spi.c
+++ b/drivers/nfc/nfcmrvl/spi.c
@@ -168,6 +168,10 @@ static int nfcmrvl_spi_probe(struct spi_device *spi)
 
 	drv_data->nci_spi = nci_spi_allocate_spi(drv_data->spi, 0, 10,
 						 drv_data->priv->ndev);
+	if (!drv_data->nci_spi) {
+		nfcmrvl_nci_unregister_dev(drv_data->priv);
+		return -ENOMEM;
+	}
 
 	/* Init completion for slave handshake */
 	init_completion(&drv_data->handshake_completion);
-- 
2.55.0