net: ieee802154: mcr20a: do not leak resources on error path

We already allocated the device and platform  data at this
point. Instead of simply return from the probe function we
need to cleanup the resources first.

Signed-off-by: Stefan Schmidt <stefan@osg.samsung.com>
Acked-by: Xue Liu <liuxuenetmail@gmail.com>

1 files changed, 4 insertions, 2 deletions

diff --git a/drivers/net/ieee802154/mcr20a.c b/drivers/net/ieee802154/mcr20a.c
index 944470d69ba9..de0d7f28a181 100644
--- a/drivers/net/ieee802154/mcr20a.c
+++ b/drivers/net/ieee802154/mcr20a.c
@@ -1309,8 +1309,10 @@ mcr20a_probe(struct spi_device *spi)
         /* init buf */
         lp->buf = devm_kzalloc(&spi->dev, SPI_COMMAND_BUFFER, GFP_KERNEL);
 
-        if (!lp->buf)
-                return -ENOMEM;
+        if (!lp->buf) {
+                ret = -ENOMEM;
+                goto free_dev;
+        }
 
         mcr20a_setup_tx_spi_messages(lp);
         mcr20a_setup_rx_spi_messages(lp);