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author | Nachammai Karuppiah <nachukannan@gmail.com> | 2019-11-04 23:54:18 -0800 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-11-05 17:50:20 +0100 |
commit | 3b525cb00c620269e07663788bfd727c07524bf9 (patch) | |
tree | 87d58a4cb6c8161d26efd511ef7efe602f87469c /drivers/staging/qlge | |
parent | 6647e4e84501e7f935f108729da9a6fd60924d8b (diff) | |
download | linux-3b525cb00c620269e07663788bfd727c07524bf9.tar.gz linux-3b525cb00c620269e07663788bfd727c07524bf9.tar.bz2 linux-3b525cb00c620269e07663788bfd727c07524bf9.zip |
staging: qlge: Avoid NULL comparison
Replace NULL comparison with boolean negation. Issue found using checkpatch.pl
Signed-off-by: Nachammai Karuppiah <nachukannan@gmail.com>
Acked-by: Julia Lawall <julia.lawall@lip6.fr>
Link: https://lore.kernel.org/r/1572940458-109252-1-git-send-email-nachukannan@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/qlge')
-rw-r--r-- | drivers/staging/qlge/qlge_dbg.c | 4 | ||||
-rw-r--r-- | drivers/staging/qlge/qlge_main.c | 18 |
2 files changed, 11 insertions, 11 deletions
diff --git a/drivers/staging/qlge/qlge_dbg.c b/drivers/staging/qlge/qlge_dbg.c index 019b7e6a1b7a..83f34ca43aa4 100644 --- a/drivers/staging/qlge/qlge_dbg.c +++ b/drivers/staging/qlge/qlge_dbg.c @@ -1649,7 +1649,7 @@ void ql_dump_wqicb(struct wqicb *wqicb) void ql_dump_tx_ring(struct tx_ring *tx_ring) { - if (tx_ring == NULL) + if (!tx_ring) return; pr_err("===================== Dumping tx_ring %d ===============\n", tx_ring->wq_id); @@ -1741,7 +1741,7 @@ static const char *qlge_rx_ring_type_name(struct rx_ring *rx_ring) void ql_dump_rx_ring(struct rx_ring *rx_ring) { - if (rx_ring == NULL) + if (!rx_ring) return; pr_err("===================== Dumping rx_ring %d ===============\n", rx_ring->cq_id); diff --git a/drivers/staging/qlge/qlge_main.c b/drivers/staging/qlge/qlge_main.c index 6f6b4c06688c..6ad4515311f7 100644 --- a/drivers/staging/qlge/qlge_main.c +++ b/drivers/staging/qlge/qlge_main.c @@ -1588,7 +1588,7 @@ static void ql_process_mac_rx_skb(struct ql_adapter *qdev, skb = sbq_desc->p.skb; /* Allocate new_skb and copy */ new_skb = netdev_alloc_skb(qdev->ndev, length + NET_IP_ALIGN); - if (new_skb == NULL) { + if (!new_skb) { rx_ring->rx_dropped++; return; } @@ -1792,7 +1792,7 @@ static struct sk_buff *ql_build_rx_skb(struct ql_adapter *qdev, */ lbq_desc = ql_get_curr_lchunk(qdev, rx_ring); skb = netdev_alloc_skb(qdev->ndev, length); - if (skb == NULL) { + if (!skb) { netif_printk(qdev, probe, KERN_DEBUG, qdev->ndev, "No skb available, drop the packet.\n"); return NULL; @@ -2663,7 +2663,7 @@ static int ql_alloc_shadow_space(struct ql_adapter *qdev) qdev->rx_ring_shadow_reg_area = pci_zalloc_consistent(qdev->pdev, PAGE_SIZE, &qdev->rx_ring_shadow_reg_dma); - if (qdev->rx_ring_shadow_reg_area == NULL) { + if (!qdev->rx_ring_shadow_reg_area) { netif_err(qdev, ifup, qdev->ndev, "Allocation of RX shadow space failed.\n"); return -ENOMEM; @@ -2672,7 +2672,7 @@ static int ql_alloc_shadow_space(struct ql_adapter *qdev) qdev->tx_ring_shadow_reg_area = pci_zalloc_consistent(qdev->pdev, PAGE_SIZE, &qdev->tx_ring_shadow_reg_dma); - if (qdev->tx_ring_shadow_reg_area == NULL) { + if (!qdev->tx_ring_shadow_reg_area) { netif_err(qdev, ifup, qdev->ndev, "Allocation of TX shadow space failed.\n"); goto err_wqp_sh_area; @@ -2724,14 +2724,14 @@ static int ql_alloc_tx_resources(struct ql_adapter *qdev, pci_alloc_consistent(qdev->pdev, tx_ring->wq_size, &tx_ring->wq_base_dma); - if ((tx_ring->wq_base == NULL) || + if (!tx_ring->wq_base || tx_ring->wq_base_dma & WQ_ADDR_ALIGN) goto pci_alloc_err; tx_ring->q = kmalloc_array(tx_ring->wq_len, sizeof(struct tx_ring_desc), GFP_KERNEL); - if (tx_ring->q == NULL) + if (!tx_ring->q) goto err; return 0; @@ -2778,7 +2778,7 @@ static void ql_free_sbq_buffers(struct ql_adapter *qdev, struct rx_ring *rx_ring for (i = 0; i < QLGE_BQ_LEN; i++) { struct qlge_bq_desc *sbq_desc = &rx_ring->sbq.queue[i]; - if (sbq_desc == NULL) { + if (!sbq_desc) { netif_err(qdev, ifup, qdev->ndev, "sbq_desc %d is NULL.\n", i); return; @@ -2899,7 +2899,7 @@ static int ql_alloc_rx_resources(struct ql_adapter *qdev, pci_alloc_consistent(qdev->pdev, rx_ring->cq_size, &rx_ring->cq_base_dma); - if (rx_ring->cq_base == NULL) { + if (!rx_ring->cq_base) { netif_err(qdev, ifup, qdev->ndev, "rx_ring alloc failed.\n"); return -ENOMEM; } @@ -4485,7 +4485,7 @@ static int ql_init_device(struct pci_dev *pdev, struct net_device *ndev, if (qlge_mpi_coredump) { qdev->mpi_coredump = vmalloc(sizeof(struct ql_mpi_coredump)); - if (qdev->mpi_coredump == NULL) { + if (!qdev->mpi_coredump) { err = -ENOMEM; goto err_out2; } |