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Commit cfddc11c authored by Bruno Randolf's avatar Bruno Randolf Committed by John W. Linville
Browse files

ath5k: Fix queue debug file 



Take txq lock in debug file and fix reporting of used buffers.

Signed-off-by: default avatarBruno Randolf <br1@einfach.org>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 925e0b06

drivers/net/wireless/ath/ath5k/debug.c

+7 −2
Original line number Diff line number Diff line
@@ -763,7 +763,7 @@ static ssize_t read_file_queue(struct file *file, char __user *user_buf, 


	struct ath5k_txq *txq;

	struct ath5k_buf *bf, *bf0;

	int i, n = 0;

	int i, n;



	len += snprintf(buf+len, sizeof(buf)-len,

			"available txbuffers: %d\n", sc->txbuf_len);
@@ -777,9 +777,14 @@ static ssize_t read_file_queue(struct file *file, char __user *user_buf, 
		if (!txq->setup)

			continue;



		n = 0;

		spin_lock_bh(&txq->lock);

		list_for_each_entry_safe(bf, bf0, &txq->q, list)

			n++;

		len += snprintf(buf+len, sizeof(buf)-len, "  len: %d\n", n);

		spin_unlock_bh(&txq->lock);



		len += snprintf(buf+len, sizeof(buf)-len,

				"  len: %d bufs: %d\n", txq->txq_len, n);

	}



	if (len > sizeof(buf))