ipv6: coding style: comparison for equality with NULL
The ipv6 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/ipv6/ipv6_sockglue.c b/net/ipv6/ipv6_sockglue.c
index 9b2cb14..63e6956 100644
--- a/net/ipv6/ipv6_sockglue.c
+++ b/net/ipv6/ipv6_sockglue.c
@@ -85,7 +85,7 @@
return 0;
}
}
- if (new_ra == NULL) {
+ if (!new_ra) {
write_unlock_bh(&ip6_ra_lock);
return -ENOBUFS;
}
@@ -145,7 +145,7 @@
int retv = -ENOPROTOOPT;
bool needs_rtnl = setsockopt_needs_rtnl(optname);
- if (optval == NULL)
+ if (!optval)
val = 0;
else {
if (optlen >= sizeof(int)) {
@@ -392,7 +392,7 @@
*/
if (optlen == 0)
optval = NULL;
- else if (optval == NULL)
+ else if (!optval)
goto e_inval;
else if (optlen < sizeof(struct ipv6_opt_hdr) ||
optlen & 0x7 || optlen > 8 * 255)
@@ -443,7 +443,7 @@
if (optlen == 0)
goto e_inval;
- else if (optlen < sizeof(struct in6_pktinfo) || optval == NULL)
+ else if (optlen < sizeof(struct in6_pktinfo) || !optval)
goto e_inval;
if (copy_from_user(&pkt, optval, sizeof(struct in6_pktinfo))) {
@@ -482,7 +482,7 @@
opt = sock_kmalloc(sk, sizeof(*opt) + optlen, GFP_KERNEL);
retv = -ENOBUFS;
- if (opt == NULL)
+ if (!opt)
break;
memset(opt, 0, sizeof(*opt));