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wireless: cw1200: Fix memory leak in cw1200_wow_suspend() 

Fix a memory leak in the cw1200_wow_suspend() error handling path.

Signed-off-by: Christian Engelmayer <cengelma@gmx.at>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Christian Engelmayer 2013-12-31 18:33:57 +01:00 committed by John W. Linville
parent 2c323058bc
commit 47acf6f544
1 changed files with 6 additions and 5 deletions
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11
drivers/net/wireless/cw1200/pm.c
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@ -225,7 +225,7 @@ int cw1200_wow_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan)
cw1200_set_pm(priv, &priv->powersave_mode);
if (wait_event_interruptible_timeout(priv->ps_mode_switch_done,
!priv->ps_mode_switch_in_progress, 1*HZ) <= 0) {
goto revert3;
goto revert4;
}
}
@ -254,11 +254,11 @@ int cw1200_wow_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan)
/* Stop serving thread */
if (cw1200_bh_suspend(priv))
goto revert4;
goto revert5;
ret = timer_pending(&priv->mcast_timeout);
if (ret)
goto revert5;
goto revert6;
/* Store suspend state */
pm_state->suspend_state = state;
@ -280,9 +280,9 @@ int cw1200_wow_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan)
return 0;
revert5:
revert6:
WARN_ON(cw1200_bh_resume(priv));
revert4:
revert5:
cw1200_resume_work(priv, &priv->bss_loss_work,
state->bss_loss_tmo);
cw1200_resume_work(priv, &priv->join_timeout,
@ -291,6 +291,7 @@ revert4:
state->direct_probe);
cw1200_resume_work(priv, &priv->link_id_gc_work,
state->link_id_gc);
revert4:
kfree(state);
revert3:
wsm_set_udp_port_filter(priv, &cw1200_udp_port_filter_off);