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authorMarkus Elfring <[email protected]>2014-11-20 13:47:12 +0000
committerDavid S. Miller <[email protected]>2014-11-21 20:14:12 +0000
commit38a90e7ccb6c25a124ef46e1f30f5df1a0375fb6 (patch)
treec029e28e7b081bed1a0c439f3b09700d7fcec248
parentIBM-EMAC: Deletion of unnecessary checks before the function call "of_dev_put" (diff)
downloadkernel-38a90e7ccb6c25a124ef46e1f30f5df1a0375fb6.tar.gz
kernel-38a90e7ccb6c25a124ef46e1f30f5df1a0375fb6.zip
net: Xilinx: Deletion of unnecessary checks before two function calls
The functions kfree() and of_node_put() test whether their argument is NULL and then return immediately. Thus the test around the call is not needed. This issue was detected by using the Coccinelle software. Signed-off-by: Markus Elfring <[email protected]> Reviewed-by: Soren Brinkmann <[email protected]> Signed-off-by: David S. Miller <[email protected]>
-rw-r--r--drivers/net/ethernet/xilinx/ll_temac_main.c3
-rw-r--r--drivers/net/ethernet/xilinx/xilinx_emaclite.c3
2 files changed, 2 insertions, 4 deletions
diff --git a/drivers/net/ethernet/xilinx/ll_temac_main.c b/drivers/net/ethernet/xilinx/ll_temac_main.c
index 629077050fce..9c2d91ea0af4 100644
--- a/drivers/net/ethernet/xilinx/ll_temac_main.c
+++ b/drivers/net/ethernet/xilinx/ll_temac_main.c
@@ -224,8 +224,7 @@ static void temac_dma_bd_release(struct net_device *ndev)
dma_free_coherent(ndev->dev.parent,
sizeof(*lp->tx_bd_v) * TX_BD_NUM,
lp->tx_bd_v, lp->tx_bd_p);
- if (lp->rx_skb)
- kfree(lp->rx_skb);
+ kfree(lp->rx_skb);
}
/**
diff --git a/drivers/net/ethernet/xilinx/xilinx_emaclite.c b/drivers/net/ethernet/xilinx/xilinx_emaclite.c
index 28dbbdc393eb..24858799c204 100644
--- a/drivers/net/ethernet/xilinx/xilinx_emaclite.c
+++ b/drivers/net/ethernet/xilinx/xilinx_emaclite.c
@@ -1200,8 +1200,7 @@ static int xemaclite_of_remove(struct platform_device *of_dev)
unregister_netdev(ndev);
- if (lp->phy_node)
- of_node_put(lp->phy_node);
+ of_node_put(lp->phy_node);
lp->phy_node = NULL;
xemaclite_remove_ndev(ndev);