forked from luck/tmp_suning_uos_patched
[NETLINK]: kzalloc() conversion
nl_pid_hash_alloc() is renamed to nl_pid_hash_zalloc(). It is now returning zeroed memory to its callers. Signed-off-by: Eric Dumazet <dada1@cosmosbay.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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64b7d96167
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@ -237,13 +237,14 @@ static inline struct sock *netlink_lookup(struct net *net, int protocol,
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return sk;
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}
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static inline struct hlist_head *nl_pid_hash_alloc(size_t size)
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static inline struct hlist_head *nl_pid_hash_zalloc(size_t size)
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{
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if (size <= PAGE_SIZE)
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return kmalloc(size, GFP_ATOMIC);
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return kzalloc(size, GFP_ATOMIC);
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else
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return (struct hlist_head *)
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__get_free_pages(GFP_ATOMIC, get_order(size));
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__get_free_pages(GFP_ATOMIC | __GFP_ZERO,
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get_order(size));
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}
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static inline void nl_pid_hash_free(struct hlist_head *table, size_t size)
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@ -272,11 +273,10 @@ static int nl_pid_hash_rehash(struct nl_pid_hash *hash, int grow)
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size *= 2;
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}
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table = nl_pid_hash_alloc(size);
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table = nl_pid_hash_zalloc(size);
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if (!table)
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return 0;
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memset(table, 0, size);
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otable = hash->table;
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hash->table = table;
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hash->mask = mask;
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@ -1919,7 +1919,7 @@ static int __init netlink_proto_init(void)
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for (i = 0; i < MAX_LINKS; i++) {
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struct nl_pid_hash *hash = &nl_table[i].hash;
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hash->table = nl_pid_hash_alloc(1 * sizeof(*hash->table));
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hash->table = nl_pid_hash_zalloc(1 * sizeof(*hash->table));
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if (!hash->table) {
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while (i-- > 0)
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nl_pid_hash_free(nl_table[i].hash.table,
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@ -1927,7 +1927,6 @@ static int __init netlink_proto_init(void)
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kfree(nl_table);
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goto panic;
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}
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memset(hash->table, 0, 1 * sizeof(*hash->table));
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hash->max_shift = order;
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hash->shift = 0;
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hash->mask = 0;
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