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>

1 files changed, 2 insertions, 2 deletions

diff --git a/net/ipv4/fib_rules.c b/net/ipv4/fib_rules.c
index 8162dd8e86d7..56151982f74e 100644
--- a/net/ipv4/fib_rules.c
+++ b/net/ipv4/fib_rules.c
@@ -153,7 +153,7 @@ static struct fib_table *fib_empty_table(struct net *net)
         u32 id;
 
         for (id = 1; id <= RT_TABLE_MAX; id++)
-                if (fib_get_table(net, id) == NULL)
+                if (!fib_get_table(net, id))
                         return fib_new_table(net, id);
         return NULL;
 }
@@ -184,7 +184,7 @@ static int fib4_rule_configure(struct fib_rule *rule, struct sk_buff *skb,
                         struct fib_table *table;
 
                         table = fib_empty_table(net);
-                        if (table == NULL) {
+                        if (!table) {
                                 err = -ENOBUFS;
                                 goto errout;
                         }