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[1/8] wifi: mac80211: update scratch_pos after defrag

Message ID 20240228094901.9da35f39eeb7.I7127f2918ec4cba416fcbc35eacaea10262c1268@changeid (mailing list archive)
State Accepted
Delegated to: Johannes Berg
Headers show
Series wifi: mac80211: element parsing cleanups | expand

Commit Message

Johannes Berg Feb. 28, 2024, 8:48 a.m. UTC 
From: Johannes Berg <johannes.berg@intel.com>

The scratch_pos update here was lost after defrag, so any
other uses of the scratch buffer might overwrite it.

Fixes: a286de1aa38f ("wifi: mac80211: Rename multi_link")
Reviewed-by: Benjamin Berg <benjamin.berg@intel.com>
Reviewed-by: Ilan Peer <ilan.peer@intel.com>
Reviewed-by: Miriam Rachel Korenblit <miriam.rachel.korenblit@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
---
 net/mac80211/parse.c | 1 +
 1 file changed, 1 insertion(+)
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Patch

diff --git a/net/mac80211/parse.c b/net/mac80211/parse.c
index 196a882e4c19..233c761823d3 100644
--- a/net/mac80211/parse.c
+++ b/net/mac80211/parse.c
@@ -800,6 +800,7 @@  static void ieee80211_mle_parse_link(struct ieee802_11_elems *elems,
 
 	elems->ml_basic = (const void *)elems->scratch_pos;
 	elems->ml_basic_len = ml_len;
+	elems->scratch_pos += ml_len;
 
 	ieee80211_mle_get_sta_prof(elems, params->link_id);
 	prof = elems->prof;