fsl_pq_mdio: Fix mdiobus allocation handling
The driver could return success code even if mdiobus_alloc() failed.
This patch fixes the issue.
Signed-off-by: Anton Vorontsov <avorontsov@mvista.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/fsl_pq_mdio.c b/drivers/net/fsl_pq_mdio.c
index 3acac5f..ff028f5 100644
--- a/drivers/net/fsl_pq_mdio.c
+++ b/drivers/net/fsl_pq_mdio.c
@@ -277,15 +277,17 @@
int tbiaddr = -1;
const u32 *addrp;
u64 addr = 0, size = 0;
- int err = 0;
+ int err;
priv = kzalloc(sizeof(*priv), GFP_KERNEL);
if (!priv)
return -ENOMEM;
new_bus = mdiobus_alloc();
- if (NULL == new_bus)
+ if (!new_bus) {
+ err = -ENOMEM;
goto err_free_priv;
+ }
new_bus->name = "Freescale PowerQUICC MII Bus",
new_bus->read = &fsl_pq_mdio_read,