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regulatory: don't allocate too much memory 

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 <mcgrof@do-not-panic.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Johannes Berg 2012-12-04 12:49:16 +01:00
parent 8a57fff0c1
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)