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net: pxa168_eth: Adjust four 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>
This commit is contained in:
Markus Elfring 2017-04-17 15:23:45 +02:00 committed by David S. Miller
parent 91acebedbd
commit 8273f0a34c
1 changed files with 4 additions and 4 deletions
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8
drivers/net/ethernet/marvell/pxa168_eth.c
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@ -556,11 +556,11 @@ static int init_hash_table(struct pxa168_eth_private *pep)
* function.Driver can dynamically switch to them if the 1/2kB hash
* table is full.
*/
if (pep->htpr == NULL) {
if (!pep->htpr) {
pep->htpr = dma_zalloc_coherent(pep->dev->dev.parent,
HASH_ADDR_TABLE_SIZE,
&pep->htpr_dma, GFP_KERNEL);
if (pep->htpr == NULL)
if (!pep->htpr)
return -ENOMEM;
} else {
memset(pep->htpr, 0, HASH_ADDR_TABLE_SIZE);
@ -1356,7 +1356,7 @@ static int pxa168_smi_write(struct mii_bus *bus, int phy_addr, int regnum,
static int pxa168_eth_do_ioctl(struct net_device *dev, struct ifreq *ifr,
int cmd)
{
if (dev->phydev != NULL)
if (dev->phydev)
return phy_mii_ioctl(dev->phydev, ifr, cmd);
return -EOPNOTSUPP;
@ -1501,7 +1501,7 @@ static int pxa168_eth_probe(struct platform_device *pdev)
pep->timeout.data = (unsigned long)pep;
pep->smi_bus = mdiobus_alloc();
if (pep->smi_bus == NULL) {
if (!pep->smi_bus) {
err = -ENOMEM;
goto err_netdev;
}