wifi: mac80211: fix race condition on enabling fast-xmit

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fast-xmit must only be enabled after the sta has been uploaded to the driver,
otherwise it could end up passing the not-yet-uploaded sta via drv_tx calls
to the driver, leading to potential crashes because of uninitialized drv_priv
data.
Add a missing sta->uploaded check and re-check fast xmit after inserting a sta.

Signed-off-by: Felix Fietkau <nbd@nbd.name>
Link: https://msgid.link/20240104181059.84032-1-nbd@nbd.name
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

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Felix Fietkau 2024-01-04 19:10:59 +01:00 • committed by Johannes Berg

parent cf4a0d840e

commit bcbc84af11

2 changed files with 3 additions and 1 deletions

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2

net/mac80211/sta_info.c

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2

net/mac80211/tx.c

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