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Subject[PATCH] net: wireless: make a const array static, makes object smaller
Date
From: Colin Ian King <colin.king@canonical.com>

Don't populate the const array bws on the stack but instead it
static. Makes the object code smaller by 80 bytes:

Before:
text data bss dec hex filename
85694 16865 1216 103775 1955f ./net/wireless/reg.o

After:
text data bss dec hex filename
85518 16961 1216 103695 1950f ./net/wireless/reg.o

(gcc version 10.2.0)

Signed-off-by: Colin Ian King <colin.king@canonical.com>
---
net/wireless/reg.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/wireless/reg.c b/net/wireless/reg.c
index a04fdfb35f07..c037960e5a1a 100644
--- a/net/wireless/reg.c
+++ b/net/wireless/reg.c
@@ -1616,7 +1616,7 @@ static const struct ieee80211_reg_rule *
__freq_reg_info(struct wiphy *wiphy, u32 center_freq, u32 min_bw)
{
const struct ieee80211_regdomain *regd = reg_get_regdomain(wiphy);
- const u32 bws[] = {0, 1, 2, 4, 5, 8, 10, 16, 20};
+ static const u32 bws[] = {0, 1, 2, 4, 5, 8, 10, 16, 20};
const struct ieee80211_reg_rule *reg_rule;
int i = ARRAY_SIZE(bws) - 1;
u32 bw;
--
2.28.0
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