leandrof/linux
1
0
Fork 0
forked from Minki/linux
Code Issues Pull Requests Packages Projects Releases Wiki Activity

ath9k: Fix a locking related issue.

Browse Source 
Spin_lock has been tried to be acquired twice from ath9k_tasklet
to ath_reset which resulted in a machine freeze.

Signed-off-by: Vivek Natarajan <vnatarajan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Vivek Natarajan 2011-01-27 14:45:10 +05:30 committed by John W. Linville
parent 22983c301f
commit bdd62c067d
1 changed files with 4 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
drivers/net/wireless/ath/ath9k/xmit.c
View File

@ -563,8 +563,11 @@ static void ath_tx_complete_aggr(struct ath_softc *sc, struct ath_txq *txq,
rcu_read_unlock();
if (needreset)
if (needreset) {
spin_unlock_bh(&sc->sc_pcu_lock);
ath_reset(sc, false);
spin_lock_bh(&sc->sc_pcu_lock);
}
}
static u32 ath_lookup_rate(struct ath_softc *sc, struct ath_buf *bf,