diff options
| author | Arend van Spriel <arend@broadcom.com> | 2012-02-09 21:09:07 +0100 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2012-02-22 14:48:53 -0500 |
| commit | cf44066a3836847a74f6a0817c680726b796239f (patch) | |
| tree | e287881bb1b913e79e3e9cf3ef92eba032a1b13b /drivers/net/wireless/brcm80211 | |
| parent | bcbec9e777cc66fbbeb386c42d8af680fc941da7 (diff) | |
| download | linux-rt-cf44066a3836847a74f6a0817c680726b796239f.tar.gz | |
brcm80211: fmac: use spinlock calls saving irq flags in brcmf_enq_event()
This function is executed within irq context. The call spin_unlock_irq
does enable interrupts which is not desired in the irq context. This patch
replaces them using the spin_loc_irqsave and spin_unlock_irqrestore
functions.
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Reviewed-by: Kan Yan <kanyan@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/brcm80211')
| -rw-r--r-- | drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c b/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c index 285fa19e881d..15d7f00513be 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c @@ -3308,6 +3308,7 @@ brcmf_enq_event(struct brcmf_cfg80211_priv *cfg_priv, u32 event, { struct brcmf_cfg80211_event_q *e; s32 err = 0; + ulong flags; e = kzalloc(sizeof(struct brcmf_cfg80211_event_q), GFP_ATOMIC); if (!e) @@ -3316,9 +3317,9 @@ brcmf_enq_event(struct brcmf_cfg80211_priv *cfg_priv, u32 event, e->etype = event; memcpy(&e->emsg, msg, sizeof(struct brcmf_event_msg)); - spin_lock_irq(&cfg_priv->evt_q_lock); + spin_lock_irqsave(&cfg_priv->evt_q_lock, flags); list_add_tail(&e->evt_q_list, &cfg_priv->evt_q_list); - spin_unlock_irq(&cfg_priv->evt_q_lock); + spin_unlock_irqrestore(&cfg_priv->evt_q_lock, flags); return err; } |