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| author | Alexander Usyskin <alexander.usyskin@intel.com> | 2016-02-07 23:35:34 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-02-07 14:47:20 -0800 |
| commit | 0faf6a3bbae74ca08c2ecc09e5f6d350ad54c1ab (patch) | |
| tree | 597b55a9ef7a6784dcf9539f43b643e644b998b1 /drivers/misc/mei/client.c | |
| parent | e8466b336adc20bacb597670e0a89e695626e000 (diff) | |
| download | linux-0faf6a3bbae74ca08c2ecc09e5f6d350ad54c1ab.tar.gz linux-0faf6a3bbae74ca08c2ecc09e5f6d350ad54c1ab.tar.xz | |
mei: wake blocked write on link reset
In case of link reset all blocked writes should be interrupted.
Note, that currently blocking write is used only through bus layer.
Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/misc/mei/client.c')
| -rw-r--r-- | drivers/misc/mei/client.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/misc/mei/client.c b/drivers/misc/mei/client.c index 3fd070a698ce..5ddc690752c2 100644 --- a/drivers/misc/mei/client.c +++ b/drivers/misc/mei/client.c @@ -1691,7 +1691,8 @@ out: mutex_unlock(&dev->device_lock); rets = wait_event_interruptible(cl->tx_wait, - cl->writing_state == MEI_WRITE_COMPLETE); + cl->writing_state == MEI_WRITE_COMPLETE || + (!mei_cl_is_connected(cl))); mutex_lock(&dev->device_lock); /* wait_event_interruptible returns -ERESTARTSYS */ if (rets) { @@ -1699,6 +1700,10 @@ out: rets = -EINTR; goto err; } + if (cl->writing_state != MEI_WRITE_COMPLETE) { + rets = -EFAULT; + goto err; + } } rets = size; |