diff options
| -rw-r--r-- | drivers/net/wireless/zd1211rw/zd_chip.c | 5 | ||||
| -rw-r--r-- | drivers/net/wireless/zd1211rw/zd_def.h | 6 | ||||
| -rw-r--r-- | drivers/net/wireless/zd1211rw/zd_mac.c | 6 | ||||
| -rw-r--r-- | drivers/net/wireless/zd1211rw/zd_mac.h | 2 | ||||
| -rw-r--r-- | drivers/net/wireless/zd1211rw/zd_rf.c | 2 | ||||
| -rw-r--r-- | drivers/net/wireless/zd1211rw/zd_usb.c | 7 |
6 files changed, 15 insertions, 13 deletions
diff --git a/drivers/net/wireless/zd1211rw/zd_chip.c b/drivers/net/wireless/zd1211rw/zd_chip.c index e7e92eccff5..58419985e00 100644 --- a/drivers/net/wireless/zd1211rw/zd_chip.c +++ b/drivers/net/wireless/zd1211rw/zd_chip.c @@ -42,12 +42,11 @@ void zd_chip_init(struct zd_chip *chip, void zd_chip_clear(struct zd_chip *chip) { - mutex_lock(&chip->mutex); + ZD_ASSERT(!mutex_is_locked(&chip->mutex)); zd_usb_clear(&chip->usb); zd_rf_clear(&chip->rf); - mutex_unlock(&chip->mutex); mutex_destroy(&chip->mutex); - memset(chip, 0, sizeof(*chip)); + ZD_MEMCLEAR(chip, sizeof(*chip)); } static int scnprint_mac_oui(const u8 *addr, char *buffer, size_t size) diff --git a/drivers/net/wireless/zd1211rw/zd_def.h b/drivers/net/wireless/zd1211rw/zd_def.h index 465906812fc..a13ec72eb30 100644 --- a/drivers/net/wireless/zd1211rw/zd_def.h +++ b/drivers/net/wireless/zd1211rw/zd_def.h @@ -45,4 +45,10 @@ do { \ # define ZD_ASSERT(x) do { } while (0) #endif +#ifdef DEBUG +# define ZD_MEMCLEAR(pointer, size) memset((pointer), 0xff, (size)) +#else +# define ZD_MEMCLEAR(pointer, size) do { } while (0) +#endif + #endif /* _ZD_DEF_H */ diff --git a/drivers/net/wireless/zd1211rw/zd_mac.c b/drivers/net/wireless/zd1211rw/zd_mac.c index d6f3e02a0b5..0eda534a648 100644 --- a/drivers/net/wireless/zd1211rw/zd_mac.c +++ b/drivers/net/wireless/zd1211rw/zd_mac.c @@ -127,11 +127,9 @@ out: void zd_mac_clear(struct zd_mac *mac) { - /* Aquire the lock. */ - spin_lock(&mac->lock); - spin_unlock(&mac->lock); zd_chip_clear(&mac->chip); - memset(mac, 0, sizeof(*mac)); + ZD_ASSERT(!spin_is_locked(&mac->lock)); + ZD_MEMCLEAR(mac, sizeof(struct zd_mac)); } static int reset_mode(struct zd_mac *mac) diff --git a/drivers/net/wireless/zd1211rw/zd_mac.h b/drivers/net/wireless/zd1211rw/zd_mac.h index 71e382c589e..082bcf8ec8d 100644 --- a/drivers/net/wireless/zd1211rw/zd_mac.h +++ b/drivers/net/wireless/zd1211rw/zd_mac.h @@ -121,9 +121,9 @@ enum mac_flags { }; struct zd_mac { - struct net_device *netdev; struct zd_chip chip; spinlock_t lock; + struct net_device *netdev; /* Unlocked reading possible */ struct iw_statistics iw_stats; u8 qual_average; diff --git a/drivers/net/wireless/zd1211rw/zd_rf.c b/drivers/net/wireless/zd1211rw/zd_rf.c index ccf639a398b..f50cff3db91 100644 --- a/drivers/net/wireless/zd1211rw/zd_rf.c +++ b/drivers/net/wireless/zd1211rw/zd_rf.c @@ -56,7 +56,7 @@ void zd_rf_init(struct zd_rf *rf) void zd_rf_clear(struct zd_rf *rf) { - memset(rf, 0, sizeof(*rf)); + ZD_MEMCLEAR(rf, sizeof(*rf)); } int zd_rf_init_hw(struct zd_rf *rf, u8 type) diff --git a/drivers/net/wireless/zd1211rw/zd_usb.c b/drivers/net/wireless/zd1211rw/zd_usb.c index f721ea57e21..47489fe8ab5 100644 --- a/drivers/net/wireless/zd1211rw/zd_usb.c +++ b/drivers/net/wireless/zd1211rw/zd_usb.c @@ -664,7 +664,7 @@ resubmit: usb_submit_urb(urb, GFP_ATOMIC); } -struct urb *alloc_urb(struct zd_usb *usb) +static struct urb *alloc_urb(struct zd_usb *usb) { struct usb_device *udev = zd_usb_to_usbdev(usb); struct urb *urb; @@ -688,7 +688,7 @@ struct urb *alloc_urb(struct zd_usb *usb) return urb; } -void free_urb(struct urb *urb) +static void free_urb(struct urb *urb) { if (!urb) return; @@ -908,7 +908,7 @@ void zd_usb_clear(struct zd_usb *usb) { usb_set_intfdata(usb->intf, NULL); usb_put_intf(usb->intf); - memset(usb, 0, sizeof(*usb)); + ZD_MEMCLEAR(usb, sizeof(*usb)); /* FIXME: usb_interrupt, usb_tx, usb_rx? */ } @@ -1099,7 +1099,6 @@ static void disconnect(struct usb_interface *intf) */ usb_reset_device(interface_to_usbdev(intf)); - /* If somebody still waits on this lock now, this is an error. */ zd_netdev_free(netdev); dev_dbg(&intf->dev, "disconnected\n"); } |