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| author |   Felix Fietkau <nbd@nbd.name> | 2019-01-29 11:10:57 +0100 |
|---|---|---|
| committer |   Johannes Berg <johannes.berg@intel.com> | 2019-02-01 11:08:02 +0100 |
| commit | 9d0f50b80222dc273e67e4e14410fcfa4130a90c (patch) | |
| tree | 7229938590af7ce21fe995890661bd21047c5005 /net/wireless | |
| parent | bnxt_en: Disable interrupts when allocating CP rings or NQs. (diff) | |
| download | linux-dev-9d0f50b80222dc273e67e4e14410fcfa4130a90c.tar.xz linux-dev-9d0f50b80222dc273e67e4e14410fcfa4130a90c.zip | |
mac80211: ensure that mgmt tx skbs have tailroom for encryption
Some drivers use IEEE80211_KEY_FLAG_SW_MGMT_TX to indicate that management
frames need to be software encrypted. Since normal data packets are still
encrypted by the hardware, crypto_tx_tailroom_needed_cnt gets decremented
after key upload to hw. This can lead to passing skbs to ccmp_encrypt_skb,
which don't have the necessary tailroom for software encryption.
Change the code to add tailroom for encrypted management packets, even if
crypto_tx_tailroom_needed_cnt is 0.
Cc: stable@vger.kernel.org
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/wireless')
0 files changed, 0 insertions, 0 deletions