diff options
author | Chih-Kang Chang <gary.chang@realtek.com> | 2021-08-30 15:32:40 +0800 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-10-06 15:42:32 +0200 |
commit | 87e06c44280da43b7cf9826ac5bd49655c6236c4 (patch) | |
tree | 1de06b0b76d51a85e200f651e7f2372e89a4e74d /net/unix/af_unix.c | |
parent | a6c42ae1530f94724d3c42cf91fe3d3c5e394f8a (diff) |
mac80211: Fix ieee80211_amsdu_aggregate frag_tail bug
[ Upstream commit fe94bac626d9c1c5bc98ab32707be8a9d7f8adba ]
In ieee80211_amsdu_aggregate() set a pointer frag_tail point to the
end of skb_shinfo(head)->frag_list, and use it to bind other skb in
the end of this function. But when execute ieee80211_amsdu_aggregate()
->ieee80211_amsdu_realloc_pad()->pskb_expand_head(), the address of
skb_shinfo(head)->frag_list will be changed. However, the
ieee80211_amsdu_aggregate() not update frag_tail after call
pskb_expand_head(). That will cause the second skb can't bind to the
head skb appropriately.So we update the address of frag_tail to fix it.
Fixes: 6e0456b54545 ("mac80211: add A-MSDU tx support")
Signed-off-by: Chih-Kang Chang <gary.chang@realtek.com>
Signed-off-by: Zong-Zhe Yang <kevin_yang@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://lore.kernel.org/r/20210830073240.12736-1-pkshih@realtek.com
[reword comment]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'net/unix/af_unix.c')
0 files changed, 0 insertions, 0 deletions