wifi: cfg80211: make read-only array centers_80mhz static const

ColinIanKing · davem330 · commit 6c0da8406382 · 2023-09-20T11:52:13.000+01:00
Don't populate the read-only array lanes on the stack, instead make
it static const.

Signed-off-by: Colin Ian King &lt;colin.i.king@gmail.com&gt;
Signed-off-by: David S. Miller &lt;davem@davemloft.net&gt;
diff --git a/net/mac80211/tdls.c b/net/mac80211/tdls.c
@@ -309,7 +309,7 @@ ieee80211_tdls_chandef_vht_upgrade(struct ieee80211_sub_if_data *sdata,
 				   struct sta_info *sta)
 {
 	/* IEEE802.11ac-2013 Table E-4 */
-	u16 centers_80mhz[] = { 5210, 5290, 5530, 5610, 5690, 5775 };
+	static const u16 centers_80mhz[] = { 5210, 5290, 5530, 5610, 5690, 5775 };
 	struct cfg80211_chan_def uc = sta->tdls_chandef;
 	enum nl80211_chan_width max_width =
 		ieee80211_sta_cap_chan_bw(&sta->deflink);

Original file line number	Diff line number	Diff line change
`@@ -309,7 +309,7 @@ ieee80211_tdls_chandef_vht_upgrade(struct ieee80211_sub_if_data *sdata,`
`309`	`309`	`struct sta_info *sta)`
`310`	`310`	`{`
`311`	`311`	`/* IEEE802.11ac-2013 Table E-4 */`
`312`		`- u16 centers_80mhz[] = { 5210, 5290, 5530, 5610, 5690, 5775 };`
	`312`	`+ static const u16 centers_80mhz[] = { 5210, 5290, 5530, 5610, 5690, 5775 };`
`313`	`313`	`struct cfg80211_chan_def uc = sta->tdls_chandef;`
`314`	`314`	`enum nl80211_chan_width max_width =`
`315`	`315`	`ieee80211_sta_cap_chan_bw(&sta->deflink);`