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r8169: spinlock redux. 

rtl8169_get_regs operates under RTNL and rtl task mutex whereas
rtl_set_rx_mode is either called under RTNL or rtl task mutex protection.

Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Cc: Hayes Wang <hayeswang@realtek.com>
This commit is contained in:
Francois Romieu 2012-01-31 11:20:34 +01:00
parent 934714d088
commit 6c05d25267
1 changed files with 0 additions and 8 deletions
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8
drivers/net/ethernet/realtek/r8169.c
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@ -680,7 +680,6 @@ struct rtl8169_private {
struct pci_dev *pci_dev;
struct net_device *dev;
struct napi_struct napi;
spinlock_t lock;
u32 msg_enable;
u16 txd_version;
u16 mac_version;
@ -1723,9 +1722,7 @@ static void rtl8169_get_regs(struct net_device *dev, struct ethtool_regs *regs,
regs->len = R8169_REGS_SIZE;
rtl_lock_work(tp);
spin_lock_bh(&tp->lock);
memcpy_fromio(p, tp->mmio_addr, regs->len);
spin_unlock_bh(&tp->lock);
rtl_unlock_work(tp);
}
@ -4151,7 +4148,6 @@ rtl8169_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
tp->do_ioctl = rtl_xmii_ioctl;
}
spin_lock_init(&tp->lock);
mutex_init(&tp->wk.mutex);
/* Get MAC address */
@ -6031,8 +6027,6 @@ static void rtl_set_rx_mode(struct net_device *dev)
}
}
spin_lock_bh(&tp->lock);
tmp = (RTL_R32(RxConfig) & ~RX_CONFIG_ACCEPT_MASK) | rx_mode;
if (tp->mac_version > RTL_GIGA_MAC_VER_06) {
@ -6046,8 +6040,6 @@ static void rtl_set_rx_mode(struct net_device *dev)
RTL_W32(MAR0 + 0, mc_filter[0]);
RTL_W32(RxConfig, tmp);
spin_unlock_bh(&tp->lock);
}
/**