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ath5k: Fix queue debug file
Take txq lock in debug file and fix reporting of used buffers. Signed-off-by: Bruno Randolf <br1@einfach.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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@ -763,7 +763,7 @@ static ssize_t read_file_queue(struct file *file, char __user *user_buf,
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struct ath5k_txq *txq;
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struct ath5k_buf *bf, *bf0;
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int i, n = 0;
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int i, n;
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len += snprintf(buf+len, sizeof(buf)-len,
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"available txbuffers: %d\n", sc->txbuf_len);
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@ -777,9 +777,14 @@ static ssize_t read_file_queue(struct file *file, char __user *user_buf,
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if (!txq->setup)
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continue;
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n = 0;
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spin_lock_bh(&txq->lock);
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list_for_each_entry_safe(bf, bf0, &txq->q, list)
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n++;
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len += snprintf(buf+len, sizeof(buf)-len, " len: %d\n", n);
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spin_unlock_bh(&txq->lock);
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len += snprintf(buf+len, sizeof(buf)-len,
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" len: %d bufs: %d\n", txq->txq_len, n);
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}
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if (len > sizeof(buf))
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