diff options
| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-04-05 08:43:50 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-04-05 08:43:50 +0200 |
| commit | 422d2245136a2c49550dc83ca9735dd4d8ea71f7 (patch) | |
| tree | 8dc42f707efcce275baba950be2076ec830f52f4 /drivers/misc | |
| parent | b0077b4b085f636e5f8a1fd9cd6e568907471b24 (diff) | |
| parent | e49d033bddf5b565044e2abe4241353959bc9120 (diff) | |
Merge 5.12-rc6 into char-misc-next
We need the char/misc fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/misc')
| -rw-r--r-- | drivers/misc/mei/client.c | 17 |
1 files changed, 7 insertions, 10 deletions
diff --git a/drivers/misc/mei/client.c b/drivers/misc/mei/client.c index 4378a9b25848..2cc370adb238 100644 --- a/drivers/misc/mei/client.c +++ b/drivers/misc/mei/client.c @@ -2286,8 +2286,8 @@ int mei_cl_dma_alloc_and_map(struct mei_cl *cl, const struct file *fp, if (buffer_id == 0) return -EINVAL; - if (!mei_cl_is_connected(cl)) - return -ENODEV; + if (mei_cl_is_connected(cl)) + return -EPROTO; if (cl->dma_mapped) return -EPROTO; @@ -2327,9 +2327,7 @@ int mei_cl_dma_alloc_and_map(struct mei_cl *cl, const struct file *fp, mutex_unlock(&dev->device_lock); wait_event_timeout(cl->wait, - cl->dma_mapped || - cl->status || - !mei_cl_is_connected(cl), + cl->dma_mapped || cl->status, mei_secs_to_jiffies(MEI_CL_CONNECT_TIMEOUT)); mutex_lock(&dev->device_lock); @@ -2376,8 +2374,9 @@ int mei_cl_dma_unmap(struct mei_cl *cl, const struct file *fp) return -EOPNOTSUPP; } - if (!mei_cl_is_connected(cl)) - return -ENODEV; + /* do not allow unmap for connected client */ + if (mei_cl_is_connected(cl)) + return -EPROTO; if (!cl->dma_mapped) return -EPROTO; @@ -2405,9 +2404,7 @@ int mei_cl_dma_unmap(struct mei_cl *cl, const struct file *fp) mutex_unlock(&dev->device_lock); wait_event_timeout(cl->wait, - !cl->dma_mapped || - cl->status || - !mei_cl_is_connected(cl), + !cl->dma_mapped || cl->status, mei_secs_to_jiffies(MEI_CL_CONNECT_TIMEOUT)); mutex_lock(&dev->device_lock); |