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netlink: Add nla_memdup() to wrap kmemdup() use on nlattr

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Wrap several common instances of:
	kmemdup(nla_data(attr), nla_len(attr), GFP_KERNEL);

Signed-off-by: Thomas Graf <tgraf@suug.ch>
Acked-by: Johannes Berg <johannes@sipsolutions.net>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Thomas Graf
2016-10-26 10:53:16 +02:00
committed by David S. Miller
parent f8da977989
commit b15ca182ed
4 changed files with 13 additions and 8 deletions
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3
net/wireless/nl80211.c
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@@ -10625,8 +10625,7 @@ static int handle_nan_filter(struct nlattr *attr_filter,
i = 0;
nla_for_each_nested(attr, attr_filter, rem) {
filter[i].filter = kmemdup(nla_data(attr), nla_len(attr),
GFP_KERNEL);
filter[i].filter = nla_memdup(attr, GFP_KERNEL);
filter[i].len = nla_len(attr);
i++;
}