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1From 21df3a583e8e03d8f74fa2eedbcd7a2b3f5cabc1 Mon Sep 17 00:00:00 2001
2From: Johannes Berg <johannes.berg@intel.com>
3Date: Thu, 13 Oct 2022 20:15:57 +0200
4Subject: [PATCH] mac80211: move CRC into struct ieee802_11_elems
5
6commit c6e37ed498f958254b5459253199e816b6bfc52f upstream.
7
8We're currently returning this value, but to prepare for
9returning the allocated structure, move it into there.
10
11Link: https://lore.kernel.org/r/20210920154009.479b8ebf999d.If0d4ba75ee38998dc3eeae25058aa748efcb2fc9@changeid
12Signed-off-by: Johannes Berg <johannes.berg@intel.com>
13Cc: Felix Fietkau <nbd@nbd.name>
14Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
15---
16 net/mac80211/ieee80211_i.h | 9 +++++----
17 net/mac80211/mlme.c | 9 +++++----
18 net/mac80211/util.c | 10 +++++-----
19 3 files changed, 15 insertions(+), 13 deletions(-)
20
21diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
22index 4bd55af184b2..5ea38ae65809 100644
23--- a/net/mac80211/ieee80211_i.h
24+++ b/net/mac80211/ieee80211_i.h
25@@ -1532,6 +1532,7 @@ struct ieee80211_csa_ie {
26 struct ieee802_11_elems {
27 const u8 *ie_start;
28 size_t total_len;
29+ u32 crc;
30
31 /* pointers to IEs */
32 const struct ieee80211_tdls_lnkie *lnk_id;
33@@ -2218,10 +2219,10 @@ static inline void ieee80211_tx_skb(struct ieee80211_sub_if_data *sdata,
34 ieee80211_tx_skb_tid(sdata, skb, 7);
35 }
36
37-u32 ieee802_11_parse_elems_crc(const u8 *start, size_t len, bool action,
38- struct ieee802_11_elems *elems,
39- u64 filter, u32 crc, u8 *transmitter_bssid,
40- u8 *bss_bssid);
41+void ieee802_11_parse_elems_crc(const u8 *start, size_t len, bool action,
42+ struct ieee802_11_elems *elems,
43+ u64 filter, u32 crc, u8 *transmitter_bssid,
44+ u8 *bss_bssid);
45 static inline void ieee802_11_parse_elems(const u8 *start, size_t len,
46 bool action,
47 struct ieee802_11_elems *elems,
48diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
49index 1548f532dc1a..4414e82e71d1 100644
50--- a/net/mac80211/mlme.c
51+++ b/net/mac80211/mlme.c
52@@ -4102,10 +4102,11 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata,
53 */
54 if (!ieee80211_is_s1g_beacon(hdr->frame_control))
55 ncrc = crc32_be(0, (void *)&mgmt->u.beacon.beacon_int, 4);
56- ncrc = ieee802_11_parse_elems_crc(variable,
57- len - baselen, false, &elems,
58- care_about_ies, ncrc,
59- mgmt->bssid, bssid);
60+ ieee802_11_parse_elems_crc(variable,
61+ len - baselen, false, &elems,
62+ care_about_ies, ncrc,
63+ mgmt->bssid, bssid);
64+ ncrc = elems.crc;
65
66 if (ieee80211_hw_check(&local->hw, PS_NULLFUNC_STACK) &&
67 ieee80211_check_tim(elems.tim, elems.tim_len, bss_conf->aid)) {
68diff --git a/net/mac80211/util.c b/net/mac80211/util.c
69index 00543ea9c6b5..ceb6894381e4 100644
70--- a/net/mac80211/util.c
71+++ b/net/mac80211/util.c
72@@ -1468,10 +1468,10 @@ static size_t ieee802_11_find_bssid_profile(const u8 *start, size_t len,
73 return found ? profile_len : 0;
74 }
75
76-u32 ieee802_11_parse_elems_crc(const u8 *start, size_t len, bool action,
77- struct ieee802_11_elems *elems,
78- u64 filter, u32 crc, u8 *transmitter_bssid,
79- u8 *bss_bssid)
80+void ieee802_11_parse_elems_crc(const u8 *start, size_t len, bool action,
81+ struct ieee802_11_elems *elems,
82+ u64 filter, u32 crc, u8 *transmitter_bssid,
83+ u8 *bss_bssid)
84 {
85 const struct element *non_inherit = NULL;
86 u8 *nontransmitted_profile;
87@@ -1523,7 +1523,7 @@ u32 ieee802_11_parse_elems_crc(const u8 *start, size_t len, bool action,
88
89 kfree(nontransmitted_profile);
90
91- return crc;
92+ elems->crc = crc;
93 }
94
95 void ieee80211_regulatory_limit_wmm_params(struct ieee80211_sub_if_data *sdata,
96--
972.30.2
98