[PATCH] ieee802154: ca8210: Add missing check for kfifo_alloc() in ca8210_probe()

[Keisuke Nishimura]

ca8210_test_interface_init() returns the result of kfifo_alloc(),
which can be non-zero in case of an error. The caller, ca8210_probe(),
should check the return value and do error-handling if it fails.

Fixes: ded845a781a5 ("ieee802154: Add CA8210 IEEE 802.15.4 device driver")
Signed-off-by: Keisuke Nishimura <keisuke.nishim...@inria.fr>
---
 drivers/net/ieee802154/ca8210.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ieee802154/ca8210.c b/drivers/net/ieee802154/ca8210.c
index e685a7f946f0..753215ebc67c 100644
--- a/drivers/net/ieee802154/ca8210.c
+++ b/drivers/net/ieee802154/ca8210.c
@@ -3072,7 +3072,11 @@ static int ca8210_probe(struct spi_device *spi_device)
        spi_set_drvdata(priv->spi, priv);
        if (IS_ENABLED(CONFIG_IEEE802154_CA8210_DEBUGFS)) {
                cascoda_api_upstream = ca8210_test_int_driver_write;
-               ca8210_test_interface_init(priv);
+               ret = ca8210_test_interface_init(priv);
+               if (ret) {
+                       dev_crit(&spi_device->dev, "ca8210_test_interface_init 
failed\n");
+                       goto error;
+               }
        } else {
                cascoda_api_upstream = NULL;
        }
-- 
2.34.1