diff options
| author | Bruno Randolf <br1@einfach.org> | 2010-09-17 11:36:40 +0900 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2010-09-21 11:05:09 -0400 |
| commit | cfddc11c429a655e418ffc111372cc69dee6a1a5 (patch) | |
| tree | 5e6490aa9accb4e713d4c102f38d34023136cecc /drivers/net/wireless/ath/ath5k/debug.c | |
| parent | 925e0b061300c94912be36eac16f0b44249a1add (diff) | |
| download | blackbird-op-linux-cfddc11c429a655e418ffc111372cc69dee6a1a5.tar.gz blackbird-op-linux-cfddc11c429a655e418ffc111372cc69dee6a1a5.zip | |
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>
Diffstat (limited to 'drivers/net/wireless/ath/ath5k/debug.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath5k/debug.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/net/wireless/ath/ath5k/debug.c b/drivers/net/wireless/ath/ath5k/debug.c index 1b7c6d7fde93..b2c610ba8b7e 100644 --- a/drivers/net/wireless/ath/ath5k/debug.c +++ b/drivers/net/wireless/ath/ath5k/debug.c @@ -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)) |
