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authorEric Dumazet <edumazet@google.com>2013-06-12 14:11:16 -0700
committerDavid S. Miller <davem@davemloft.net>2013-06-12 14:14:55 -0700
commitc70eba74532a9b54583689fead6e2e8f3a86e1c5 (patch)
treedb6a1d797a34fc345a6561a3c05c3307f90bf595 /net/ipv4/igmp.c
parent5eaedf31319d5f80eaaee1eec8dd18c0b452f0d1 (diff)
downloadlinux-c70eba74532a9b54583689fead6e2e8f3a86e1c5.tar.bz2
igmp: fix new sparse errors
Fix following sparse errors : net/ipv4/igmp.c:1222:25: warning: cast from restricted __be32 net/ipv4/igmp.c:1234:31: warning: incorrect type in assignment (different address spaces) net/ipv4/igmp.c:1234:31: expected struct ip_mc_list [noderef] <asn:4>*next_hash net/ipv4/igmp.c:1234:31: got struct ip_mc_list *<noident> net/ipv4/igmp.c:1250:31: warning: incorrect type in assignment (different address spaces) net/ipv4/igmp.c:1250:31: expected struct ip_mc_list [noderef] <asn:4>*next_hash net/ipv4/igmp.c:1250:31: got struct ip_mc_list *<noident> net/ipv4/igmp.c:2380:37: warning: cast from restricted __be32 These were added by commit e9897071350bd9 ("igmp: hash a hash table to speedup ip_check_mc_rcu()") Reported-by: kbuild test robot <fengguang.wu@intel.com> Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/igmp.c')
-rw-r--r--net/ipv4/igmp.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c
index a09190ddffba..cd71190d2962 100644
--- a/net/ipv4/igmp.c
+++ b/net/ipv4/igmp.c
@@ -1219,7 +1219,7 @@ static void igmp_group_added(struct ip_mc_list *im)
static u32 ip_mc_hash(const struct ip_mc_list *im)
{
- return hash_32((u32)im->multiaddr, MC_HASH_SZ_LOG);
+ return hash_32((__force u32)im->multiaddr, MC_HASH_SZ_LOG);
}
static void ip_mc_hash_add(struct in_device *in_dev,
@@ -1231,7 +1231,7 @@ static void ip_mc_hash_add(struct in_device *in_dev,
mc_hash = rtnl_dereference(in_dev->mc_hash);
if (mc_hash) {
hash = ip_mc_hash(im);
- im->next_hash = rtnl_dereference(mc_hash[hash]);
+ im->next_hash = mc_hash[hash];
rcu_assign_pointer(mc_hash[hash], im);
return;
}
@@ -1247,7 +1247,7 @@ static void ip_mc_hash_add(struct in_device *in_dev,
for_each_pmc_rtnl(in_dev, im) {
hash = ip_mc_hash(im);
- im->next_hash = rtnl_dereference(mc_hash[hash]);
+ im->next_hash = mc_hash[hash];
RCU_INIT_POINTER(mc_hash[hash], im);
}
@@ -2377,7 +2377,7 @@ int ip_check_mc_rcu(struct in_device *in_dev, __be32 mc_addr, __be32 src_addr, u
mc_hash = rcu_dereference(in_dev->mc_hash);
if (mc_hash) {
- u32 hash = hash_32((u32)mc_addr, MC_HASH_SZ_LOG);
+ u32 hash = hash_32((__force u32)mc_addr, MC_HASH_SZ_LOG);
for (im = rcu_dereference(mc_hash[hash]);
im != NULL;