diff options
| author | Michael Buesch <mb@bu3sch.de> | 2007-09-19 18:51:38 +0200 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2007-10-10 16:52:20 -0700 |
| commit | b85b3b7af52d1c1bd45bfcd47aa425a15fda45f7 (patch) | |
| tree | 41b001e42407a29fa7f1cf57667b8ff4379faabb /drivers/net/wireless/b43/debugfs.c | |
| parent | 90f4dd0f4ba910b86f387874ed990ca69c0951a5 (diff) | |
[B43]: Don't lock irq_lock in debugfs txpower adjust
It's not required and the txpower adjustment must not be in atomic.
Signed-off-by: Michael Buesch <mb@bu3sch.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/wireless/b43/debugfs.c')
| -rw-r--r-- | drivers/net/wireless/b43/debugfs.c | 19 |
1 files changed, 5 insertions, 14 deletions
diff --git a/drivers/net/wireless/b43/debugfs.c b/drivers/net/wireless/b43/debugfs.c index 3aafde9f08a8..734e70e1a06d 100644 --- a/drivers/net/wireless/b43/debugfs.c +++ b/drivers/net/wireless/b43/debugfs.c @@ -223,15 +223,10 @@ out: static int txpower_g_write_file(struct b43_wldev *dev, const char *buf, size_t count) { - unsigned long flags; unsigned long phy_flags; - int err = 0; - spin_lock_irqsave(&dev->wl->irq_lock, flags); - if (dev->phy.type != B43_PHYTYPE_G) { - err = -ENODEV; - goto out_unlock; - } + if (dev->phy.type != B43_PHYTYPE_G) + return -ENODEV; if ((count >= 4) && (memcmp(buf, "auto", 4) == 0)) { /* Automatic control */ dev->phy.manual_txpower_control = 0; @@ -240,10 +235,8 @@ static int txpower_g_write_file(struct b43_wldev *dev, int bbatt = 0, rfatt = 0, txmix = 0, pa2db = 0, pa3db = 0; /* Manual control */ if (sscanf(buf, "%d %d %d %d %d", &bbatt, &rfatt, - &txmix, &pa2db, &pa3db) != 5) { - err = -EINVAL; - goto out_unlock; - } + &txmix, &pa2db, &pa3db) != 5) + return -EINVAL; b43_put_attenuation_into_ranges(dev, &bbatt, &rfatt); dev->phy.manual_txpower_control = 1; dev->phy.bbatt.att = bbatt; @@ -262,10 +255,8 @@ static int txpower_g_write_file(struct b43_wldev *dev, b43_radio_unlock(dev); b43_phy_unlock(dev, phy_flags); } -out_unlock: - spin_unlock_irqrestore(&dev->wl->irq_lock, flags); - return err; + return 0; } /* wl->irq_lock is locked */ |