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| author |   Helmut Schaa <helmut.schaa@googlemail.com> | 2012-01-30 15:18:00 +0100 |
|---|---|---|
| committer |   John W. Linville <linville@tuxdriver.com> | 2012-01-30 15:48:20 -0500 |
| commit | 608383bfc04aa222c3e9e896c32f56a5e5deaff0 (patch) | |
| tree | cb608bbe456f3aaa030f90977f6f9e60f6b2a413 /drivers/net/wireless/rtlwifi/base.c | |
| parent | mac80211: Fix incorrect num_sta_ps decrement in __sta_info_destroy (diff) | |
| download | linux-dev-608383bfc04aa222c3e9e896c32f56a5e5deaff0.tar.xz linux-dev-608383bfc04aa222c3e9e896c32f56a5e5deaff0.zip | |
mac80211: Fix incorrect num_sta_ps decrement in ap_sta_ps_end
If the driver blocked this specific STA with the help of
ieee80211_sta_block_awake we won't clear WLAN_STA_PS_STA later but
still decrement num_sta_ps. Hence, the next data frame from this
STA will trigger ap_sta_ps_end again and also decrement num_sta_ps
again leading to an incorrect num_sta_ps counter.
This can result in problems with powersaving clients not waking up
from PS because the TIM calculation might be skipped due to the
incorrect num_sta_ps counter.
Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/rtlwifi/base.c')
0 files changed, 0 insertions, 0 deletions