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.nishimura@xxxxxxxx>
---
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
