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regulatory: don't allocate too much memory

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There's no need to allocate one reg rule more
than will be used, reduce the allocations. The
allocation in nl80211 already doesn't allocate
too much space.

Acked-by: Luis R. Rodriguez <[email protected]>
Signed-off-by: Johannes Berg <[email protected]>
This commit is contained in:
Johannes Berg 2012-12-04 12:49:16 +01:00
commit 82f2085630
1 changed files with 4 additions and 3 deletions
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7
net/wireless/reg.c
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@ -318,8 +318,9 @@ static int reg_copy_regd(const struct ieee80211_regdomain **dst_regd,
int size_of_regd = 0;
unsigned int i;
size_of_regd = sizeof(struct ieee80211_regdomain) +
((src_regd->n_reg_rules + 1) * sizeof(struct ieee80211_reg_rule));
size_of_regd =
sizeof(struct ieee80211_regdomain) +
src_regd->n_reg_rules * sizeof(struct ieee80211_reg_rule);
regd = kzalloc(size_of_regd, GFP_KERNEL);
if (!regd)
@ -641,7 +642,7 @@ static struct ieee80211_regdomain *regdom_intersect(
return NULL;
size_of_regd = sizeof(struct ieee80211_regdomain) +
((num_rules + 1) * sizeof(struct ieee80211_reg_rule));
num_rules * sizeof(struct ieee80211_reg_rule);
rd = kzalloc(size_of_regd, GFP_KERNEL);
if (!rd)