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Johannes Berg 50d3d79dc0 wifi: mac80211: set up the TX info early to fix failure paths ...

The previous commit 2c51457d93 ("wifi: mac80211: free ack status
frame on TX header build failure") cleaned up the leak, but still
left the code a bit messy and the failed SKB didn't get reported
to userspace.

Fix this up by initialising skb->cb[] earlier, which allows using
ieee80211_free_txskb() and therefore reports it for the failure
in ieee80211_build_hdr(), and unifies the ieee80211_skb_resize()
failure path with it.

Assisted-by: LLM
Fixes: c3e7724b6b ("mac80211: use ieee80211_free_txskb to fix possible skb leaks")
Link: https://patch.msgid.link/20260908122838.201719-22-johannes@sipsolutions.net
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

2026-09-09 14:51:31 +02:00

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