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| author |   Ming Lei <ming.lei@canonical.com> | 2015-01-13 00:01:35 +0800 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-02-03 15:33:10 -0800 |
| commit | 0cb64249ca50033ec22e63582837f94202c63d9f (patch) | |
| tree | 9f186d01538ae38afd325e9a64593c158db8a3a6 /drivers/base/firmware_class.c | |
| parent | firmware: Correct function name in comment (diff) | |
| download | linux-dev-0cb64249ca50033ec22e63582837f94202c63d9f.tar.xz linux-dev-0cb64249ca50033ec22e63582837f94202c63d9f.zip | |
firmware_loader: abort request if wait_for_completion is interrupted
If current request is interrupted by signal, such as 'ctrl + c',
this request has to be aborted for the following reasons:
- the buf need to be removed from pending list
- same requests from other contexts need to be completed
Reported-by: Sasha Levin <sasha.levin@oracle.com>
Signed-off-by: Ming Lei <ming.lei@canonical.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/base/firmware_class.c')
| -rw-r--r-- | drivers/base/firmware_class.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/base/firmware_class.c b/drivers/base/firmware_class.c index 96d994a35372..5870ec35efe6 100644 --- a/drivers/base/firmware_class.c +++ b/drivers/base/firmware_class.c @@ -927,6 +927,13 @@ static int _request_firmware_load(struct firmware_priv *fw_priv, retval = wait_for_completion_interruptible(&buf->completion); cancel_delayed_work_sync(&fw_priv->timeout_work); + + if (retval == -ERESTARTSYS) { + mutex_lock(&fw_lock); + fw_load_abort(fw_priv); + mutex_unlock(&fw_lock); + } + if (is_fw_load_aborted(buf)) retval = -EAGAIN; else if (!buf->data) |