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ipv4: coding style: comparison for equality with NULL

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The ipv4 code uses a mixture of coding styles. In some instances check
for NULL pointer is done as x == NULL and sometimes as !x. !x is
preferred according to checkpatch and this patch makes the code
consistent by adopting the latter form.

No changes detected by objdiff.

Signed-off-by: Ian Morris <ipm@chirality.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ian Morris
2015-04-03 09:17:26 +01:00
committed by David S. Miller
parent 11a9c7821c
commit 51456b2914
39 changed files with 210 additions and 202 deletions
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6
net/ipv4/sysctl_net_ipv4.c
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@@ -909,7 +909,7 @@ static __net_init int ipv4_sysctl_init_net(struct net *net)
int i;
table = kmemdup(table, sizeof(ipv4_net_table), GFP_KERNEL);
if (table == NULL)
if (!table)
goto err_alloc;
/* Update the variables to point into the current struct net */
@@ -918,7 +918,7 @@ static __net_init int ipv4_sysctl_init_net(struct net *net)
}
net->ipv4.ipv4_hdr = register_net_sysctl(net, "net/ipv4", table);
if (net->ipv4.ipv4_hdr == NULL)
if (!net->ipv4.ipv4_hdr)
goto err_reg;
net->ipv4.sysctl_local_reserved_ports = kzalloc(65536 / 8, GFP_KERNEL);
@@ -956,7 +956,7 @@ static __init int sysctl_ipv4_init(void)
struct ctl_table_header *hdr;
hdr = register_net_sysctl(&init_net, "net/ipv4", ipv4_table);
if (hdr == NULL)
if (!hdr)
return -ENOMEM;
if (register_pernet_subsys(&ipv4_sysctl_ops)) {