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[NET]: sparse warning fixes

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Fix a bunch of sparse warnings. Mostly about 0 used as
NULL pointer, and shadowed variable declarations.
One notable case was that hash size should have been unsigned.

Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Stephen Hemminger
2007-10-09 01:59:42 -07:00
committed by David S. Miller
parent de83c058af
commit cfcabdcc2d
19 changed files with 52 additions and 54 deletions
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4
net/ipv6/mcast.c
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@@ -1407,7 +1407,7 @@ static struct sk_buff *mld_newpack(struct net_device *dev, int size)
/* we assume size > sizeof(ra) here */
skb = sock_alloc_send_skb(sk, size + LL_RESERVED_SPACE(dev), 1, &err);
if (skb == 0)
if (!skb)
return NULL;
skb_reserve(skb, LL_RESERVED_SPACE(dev));
@@ -2144,7 +2144,7 @@ static int ip6_mc_leave_src(struct sock *sk, struct ipv6_mc_socklist *iml,
/* callers have the socket lock and a write lock on ipv6_sk_mc_lock,
* so no other readers or writers of iml or its sflist
*/
if (iml->sflist == 0) {
if (!iml->sflist) {
/* any-source empty exclude case */
return ip6_mc_del_src(idev, &iml->addr, iml->sfmode, 0, NULL, 0);
}