diff options
| author |   Karun Eagalapati <karun256@gmail.com> | 2017-07-06 20:07:23 +0530 |
|---|---|---|
| committer |   Kalle Valo <kvalo@codeaurora.org> | 2017-07-28 17:22:43 +0300 |
| commit | 6c409cad3d2b66cb4fd184d140fdf48e34890249 (patch) | |
| tree | a79ef7acf91acac1ea908dd36c3ec17952049bb7 /drivers/net/wireless/rsi/rsi_91x_usb_ops.c | |
| parent | rsi: SDIO Rx packet processing enhancement (diff) | |
| download | linux-dev-6c409cad3d2b66cb4fd184d140fdf48e34890249.tar.xz linux-dev-6c409cad3d2b66cb4fd184d140fdf48e34890249.zip | |
rsi: use separate mutex lock for receive thread
Deadlock issue is observed during our stress tests. The root
cause for the issue is same lock is used between tx and rx threads.
This patch adds a separate mutex lock for rx thread to resolve
the problem.
Signed-off-by: Karun Eagalapati <karun256@gmail.com>
Signed-off-by: Amitkumar Karwar <amit.karwar@redpinesignals.com>
Signed-off-by: Prameela Rani Garnepudi <prameela.j04cs@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Diffstat (limited to 'drivers/net/wireless/rsi/rsi_91x_usb_ops.c')
| -rw-r--r-- | drivers/net/wireless/rsi/rsi_91x_usb_ops.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/net/wireless/rsi/rsi_91x_usb_ops.c b/drivers/net/wireless/rsi/rsi_91x_usb_ops.c index d3e0a07604a6..465692b3c351 100644 --- a/drivers/net/wireless/rsi/rsi_91x_usb_ops.c +++ b/drivers/net/wireless/rsi/rsi_91x_usb_ops.c @@ -37,14 +37,14 @@ void rsi_usb_rx_thread(struct rsi_common *common) if (atomic_read(&dev->rx_thread.thread_done)) goto out; - mutex_lock(&common->tx_rxlock); + mutex_lock(&common->rx_lock); status = rsi_read_pkt(common, 0); if (status) { rsi_dbg(ERR_ZONE, "%s: Failed To read data", __func__); - mutex_unlock(&common->tx_rxlock); + mutex_unlock(&common->rx_lock); return; } - mutex_unlock(&common->tx_rxlock); + mutex_unlock(&common->rx_lock); rsi_reset_event(&dev->rx_thread.event); if (adapter->rx_urb_submit(adapter)) { rsi_dbg(ERR_ZONE, |