net: mvneta: Adjust six checks for null pointers

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The script “checkpatch.pl” pointed information out like the following.

Comparison to NULL could be written …

Thus fix the affected source code places.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c
index 8d2fcf7..d297011 100644 (file)
--- a/drivers/net/ethernet/marvell/mvneta.c
+++ b/drivers/net/ethernet/marvell/mvneta.c
@@ -1107,7 +1107,7 @@ static void mvneta_port_up(struct mvneta_port *pp)
        q_map = 0;
        for (queue = 0; queue < txq_number; queue++) {
                struct mvneta_tx_queue *txq = &pp->txqs[queue];
-               if (txq->descs != NULL)
+               if (txq->descs)
                        q_map |= (1 << queue);
        }
        mvreg_write(pp, MVNETA_TXQ_CMD, q_map);
@@ -1116,7 +1116,7 @@ static void mvneta_port_up(struct mvneta_port *pp)
        for (queue = 0; queue < rxq_number; queue++) {
                struct mvneta_rx_queue *rxq = &pp->rxqs[queue];
 
-               if (rxq->descs != NULL)
+               if (rxq->descs)
                        q_map |= (1 << queue);
        }
        mvreg_write(pp, MVNETA_RXQ_CMD, q_map);
@@ -2850,7 +2850,7 @@ static int mvneta_rxq_init(struct mvneta_port *pp,
        rxq->descs = dma_alloc_coherent(pp->dev->dev.parent,
                                        rxq->size * MVNETA_DESC_ALIGNED_SIZE,
                                        &rxq->descs_phys, GFP_KERNEL);
-       if (rxq->descs == NULL)
+       if (!rxq->descs)
                return -ENOMEM;
 
        rxq->last_desc = rxq->size - 1;
@@ -2920,7 +2920,7 @@ static int mvneta_txq_init(struct mvneta_port *pp,
        txq->descs = dma_alloc_coherent(pp->dev->dev.parent,
                                        txq->size * MVNETA_DESC_ALIGNED_SIZE,
                                        &txq->descs_phys, GFP_KERNEL);
-       if (txq->descs == NULL)
+       if (!txq->descs)
                return -ENOMEM;
 
        txq->last_desc = txq->size - 1;
@@ -2935,7 +2935,7 @@ static int mvneta_txq_init(struct mvneta_port *pp,
 
        txq->tx_skb = kmalloc_array(txq->size, sizeof(*txq->tx_skb),
                                    GFP_KERNEL);
-       if (txq->tx_skb == NULL) {
+       if (!txq->tx_skb) {
                dma_free_coherent(pp->dev->dev.parent,
                                  txq->size * MVNETA_DESC_ALIGNED_SIZE,
                                  txq->descs, txq->descs_phys);
@@ -2946,7 +2946,7 @@ static int mvneta_txq_init(struct mvneta_port *pp,
        txq->tso_hdrs = dma_alloc_coherent(pp->dev->dev.parent,
                                           txq->size * TSO_HEADER_SIZE,
                                           &txq->tso_hdrs_phys, GFP_KERNEL);
-       if (txq->tso_hdrs == NULL) {
+       if (!txq->tso_hdrs) {
                kfree(txq->tx_skb);
                dma_free_coherent(pp->dev->dev.parent,
                                  txq->size * MVNETA_DESC_ALIGNED_SIZE,