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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>
This commit is contained in:
Nachammai Karuppiah 2019-11-04 23:54:18 -08:00 committed by Greg Kroah-Hartman
parent 6647e4e845
commit 3b525cb00c
2 changed files with 11 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/staging/qlge/qlge_dbg.c
View File

@ -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);

18
drivers/staging/qlge/qlge_main.c
View File

@ -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;
}