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| author | Eric Dumazet <edumazet@google.com> | 2013-06-12 14:11:16 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2013-06-12 14:14:55 -0700 |
| commit | c70eba74532a9b54583689fead6e2e8f3a86e1c5 (patch) | |
| tree | db6a1d797a34fc345a6561a3c05c3307f90bf595 /net/ipv4/igmp.c | |
| parent | 5eaedf31319d5f80eaaee1eec8dd18c0b452f0d1 (diff) | |
| download | lwn-c70eba74532a9b54583689fead6e2e8f3a86e1c5.tar.gz lwn-c70eba74532a9b54583689fead6e2e8f3a86e1c5.zip | |
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.c | 8 |
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; |