IB/ipoib: Fix error return code in ipoib_dev_init()

[ Upstream commit 99a7e2b ]

Fix to return a negative error code from the ipoib_neigh_hash_init()
error handling case instead of 0, as done elsewhere in this function.

Fixes: 515ed4f ("IB/IPoIB: Separate control and data related initializations")
Signed-off-by: Wei Yongjun <[email protected]>
Reviewed-by: Yuval Shaia <[email protected]>
Signed-off-by: Jason Gunthorpe <[email protected]>
Signed-off-by: Sasha Levin <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>

Author: Wei Yongjun

drivers/infiniband/ulp/ipoib/ipoib_main.c

@@ -1752,7 +1752,8 @@ int ipoib_dev_init(struct net_device *dev, struct ib_device *ca, int port)
 		goto out_free_pd;
 	}
 
-	if (ipoib_neigh_hash_init(priv) < 0) {
+	ret = ipoib_neigh_hash_init(priv);
+	if (ret) {
 		pr_warn("%s failed to init neigh hash\n", dev->name);
 		goto out_dev_uninit;
 	}