mirror of https://gitee.com/openkylin/linux.git
hostap: don't mess with mixed-endian even for internal skb queues
Just leave hfa384x_info_frame as-is, don't convert in place. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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@ -2448,18 +2448,16 @@ static void prism2_info(local_info_t *local)
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goto out;
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}
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le16_to_cpus(&info.len);
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le16_to_cpus(&info.type);
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left = (info.len - 1) * 2;
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left = (le16_to_cpu(info.len) - 1) * 2;
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if (info.len & 0x8000 || info.len == 0 || left > 2060) {
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if (info.len & cpu_to_le16(0x8000) || info.len == 0 || left > 2060) {
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/* data register seems to give 0x8000 in some error cases even
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* though busy bit is not set in offset register;
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* in addition, length must be at least 1 due to type field */
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spin_unlock(&local->baplock);
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printk(KERN_DEBUG "%s: Received info frame with invalid "
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"length 0x%04x (type 0x%04x)\n", dev->name, info.len,
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info.type);
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"length 0x%04x (type 0x%04x)\n", dev->name,
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le16_to_cpu(info.len), le16_to_cpu(info.type));
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goto out;
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}
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@ -2476,8 +2474,8 @@ static void prism2_info(local_info_t *local)
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{
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spin_unlock(&local->baplock);
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printk(KERN_WARNING "%s: Info frame read failed (fid=0x%04x, "
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"len=0x%04x, type=0x%04x\n",
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dev->name, fid, info.len, info.type);
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"len=0x%04x, type=0x%04x\n", dev->name, fid,
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le16_to_cpu(info.len), le16_to_cpu(info.type));
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dev_kfree_skb(skb);
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goto out;
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}
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@ -373,7 +373,7 @@ void hostap_info_process(local_info_t *local, struct sk_buff *skb)
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buf = skb->data + sizeof(*info);
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left = skb->len - sizeof(*info);
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switch (info->type) {
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switch (le16_to_cpu(info->type)) {
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case HFA384X_INFO_COMMTALLIES:
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prism2_info_commtallies(local, buf, left);
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break;
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@ -395,7 +395,8 @@ void hostap_info_process(local_info_t *local, struct sk_buff *skb)
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#ifndef PRISM2_NO_DEBUG
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default:
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PDEBUG(DEBUG_EXTRA, "%s: INFO - len=%d type=0x%04x\n",
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local->dev->name, info->len, info->type);
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local->dev->name, le16_to_cpu(info->len),
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le16_to_cpu(info->type));
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PDEBUG(DEBUG_EXTRA, "Unknown info frame:");
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for (i = 0; i < (left < 100 ? left : 100); i++)
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PDEBUG2(DEBUG_EXTRA, " %02x", buf[i]);
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