net: Remove redundant if statements

The 'if (dev)' statement already move into dev_{put , hold}, so remove
redundant if statements.

Signed-off-by: Yajun Deng <yajun.deng@linux.dev>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/smc/smc_pnet.c b/net/smc/smc_pnet.c
index 6f6d33e..4a964e9 100644
--- a/net/smc/smc_pnet.c
+++ b/net/smc/smc_pnet.c
@@ -394,8 +394,7 @@ static int smc_pnet_add_eth(struct smc_pnettable *pnettable, struct net *net,
 	return 0;
 
 out_put:
-	if (ndev)
-		dev_put(ndev);
+	dev_put(ndev);
 	return rc;
 }