ipv4: coding style: comparison for equality with NULL
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>
diff --git a/net/ipv4/sysctl_net_ipv4.c b/net/ipv4/sysctl_net_ipv4.c
index fdf8991..c3852a7 100644
--- a/net/ipv4/sysctl_net_ipv4.c
+++ b/net/ipv4/sysctl_net_ipv4.c
@@ -909,7 +909,7 @@
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 @@
}
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 @@
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)) {