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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-04-05 08:51:37 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-04-05 08:51:37 +0200 |
| commit | b20e82939034a79e9af50853d63163fe21f205a9 (patch) | |
| tree | 7cfcf453c08e9b7e00530cfedc043eea23b0f367 /drivers/misc/mei/client.c | |
| parent | of: property: fw_devlink: Add support for remote-endpoint (diff) | |
| parent | Linux 5.12-rc6 (diff) | |
| download | linux-b20e82939034a79e9af50853d63163fe21f205a9.tar.xz linux-b20e82939034a79e9af50853d63163fe21f205a9.zip | |
Merge 5.12-rc6 into driver-core-next
We need the driver core fixes in here as well.
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 | 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); |