mirror of https://gitee.com/openkylin/linux.git
[PATCH] sky2: don't bother clearing status ring elements
Don't need to zero out the status ring entries after processing. Signed-off-by: Stephen Hemminger <shemminger@osdl.org> Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
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@ -1825,7 +1825,6 @@ static int sky2_poll(struct net_device *dev0, int *budget)
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struct sk_buff *skb;
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u32 status;
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u16 length;
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u8 op;
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le = hw->st_le + hw->st_idx;
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hw->st_idx = (hw->st_idx + 1) % STATUS_RING_SIZE;
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@ -1839,10 +1838,8 @@ static int sky2_poll(struct net_device *dev0, int *budget)
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sky2 = netdev_priv(dev);
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status = le32_to_cpu(le->status);
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length = le16_to_cpu(le->length);
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op = le->opcode & ~HW_OWNER;
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le->opcode = 0;
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switch (op) {
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switch (le->opcode & ~HW_OWNER) {
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case OP_RXSTAT:
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skb = sky2_receive(sky2, length, status);
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if (!skb)
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@ -1890,7 +1887,7 @@ static int sky2_poll(struct net_device *dev0, int *budget)
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default:
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if (net_ratelimit())
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printk(KERN_WARNING PFX
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"unknown status opcode 0x%x\n", op);
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"unknown status opcode 0x%x\n", le->opcode);
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break;
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}
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}
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