diff options
| author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-04-16 15:30:54 -0300 |
|---|---|---|
| committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-04-16 15:30:54 -0300 |
| commit | bdcfd44fb5b5fb8fd660e7f93f1095c507481024 (patch) | |
| tree | e423b07154d422b711ddfadedb87c43317d3c4f6 /drivers/misc | |
| parent | 4a327fcef90ba27150a3e8741441b68c605ae248 (diff) | |
Linux-libre 4.5.1-gnupck-4.5.1-gnu
Diffstat (limited to 'drivers/misc')
| -rw-r--r-- | drivers/misc/mei/bus.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/misc/mei/bus.c b/drivers/misc/mei/bus.c index 0b05aa938..1a173d0af 100644 --- a/drivers/misc/mei/bus.c +++ b/drivers/misc/mei/bus.c @@ -53,6 +53,11 @@ ssize_t __mei_cl_send(struct mei_cl *cl, u8 *buf, size_t length, bus = cl->dev; mutex_lock(&bus->device_lock); + if (bus->dev_state != MEI_DEV_ENABLED) { + rets = -ENODEV; + goto out; + } + if (!mei_cl_is_connected(cl)) { rets = -ENODEV; goto out; @@ -109,6 +114,10 @@ ssize_t __mei_cl_recv(struct mei_cl *cl, u8 *buf, size_t length) bus = cl->dev; mutex_lock(&bus->device_lock); + if (bus->dev_state != MEI_DEV_ENABLED) { + rets = -ENODEV; + goto out; + } cb = mei_cl_read_cb(cl, NULL); if (cb) |