diff options
| author | Tomas Winkler <tomas.winkler@intel.com> | 2013-04-19 22:01:35 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-04-19 13:38:38 -0700 |
| commit | fcb136e1ac5774909e0d85189f721b8dfa800e0f (patch) | |
| tree | ac89a706d67783063d4f752c3acddc04c5ab10e8 /drivers/misc/mei/bus.c | |
| parent | 6e0f180fd8b47fa0884177a142e41a86117edc23 (diff) | |
mei: fix reading large reposnes
While writting to device is limitted to max_msg_length advertized
in client properites the read can be much longer delivered consequiting chunks.
We use krealloc to enlarge the buffer when needed.
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/misc/mei/bus.c')
| -rw-r--r-- | drivers/misc/mei/bus.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/misc/mei/bus.c b/drivers/misc/mei/bus.c index 834ceeb69cbf..1e935eacaa7f 100644 --- a/drivers/misc/mei/bus.c +++ b/drivers/misc/mei/bus.c @@ -286,7 +286,7 @@ int __mei_cl_recv(struct mei_cl *cl, u8 *buf, size_t length) mutex_lock(&dev->device_lock); if (!cl->read_cb) { - err = mei_cl_read_start(cl); + err = mei_cl_read_start(cl, length); if (err < 0) { mutex_unlock(&dev->device_lock); return err; @@ -378,7 +378,7 @@ static void mei_bus_event_work(struct work_struct *work) device->events = 0; /* Prepare for the next read */ - mei_cl_read_start(device->cl); + mei_cl_read_start(device->cl, 0); } int mei_cl_register_event_cb(struct mei_cl_device *device, @@ -392,7 +392,7 @@ int mei_cl_register_event_cb(struct mei_cl_device *device, device->event_context = context; INIT_WORK(&device->event_work, mei_bus_event_work); - mei_cl_read_start(device->cl); + mei_cl_read_start(device->cl, 0); return 0; } @@ -436,7 +436,7 @@ int mei_cl_enable_device(struct mei_cl_device *device) mutex_unlock(&dev->device_lock); if (device->event_cb && !cl->read_cb) - mei_cl_read_start(device->cl); + mei_cl_read_start(device->cl, 0); if (!device->ops || !device->ops->enable) return 0; |