diff options
| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-11-26 07:54:40 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-11-26 07:54:40 +0100 |
| commit | a62d2d44902cf1222b5ac41ff1f61167a010cd6b (patch) | |
| tree | fd3740b483e806c03896a59a6189e5959c899579 /drivers/usb/gadget | |
| parent | drivers: usb: early: clean up indentation, remove extraneous tabs (diff) | |
| parent | Linux 4.20-rc4 (diff) | |
| download | linux-a62d2d44902cf1222b5ac41ff1f61167a010cd6b.tar.xz linux-a62d2d44902cf1222b5ac41ff1f61167a010cd6b.zip | |
Merge 4.20-rc4 into usb-next
We want the USB fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/gadget')
| -rw-r--r-- | drivers/usb/gadget/function/f_fs.c | 26 |
1 files changed, 8 insertions, 18 deletions
diff --git a/drivers/usb/gadget/function/f_fs.c b/drivers/usb/gadget/function/f_fs.c index 3ada83d81bda..31e8bf3578c8 100644 --- a/drivers/usb/gadget/function/f_fs.c +++ b/drivers/usb/gadget/function/f_fs.c @@ -215,7 +215,6 @@ struct ffs_io_data { struct mm_struct *mm; struct work_struct work; - struct work_struct cancellation_work; struct usb_ep *ep; struct usb_request *req; @@ -1073,31 +1072,22 @@ ffs_epfile_open(struct inode *inode, struct file *file) return 0; } -static void ffs_aio_cancel_worker(struct work_struct *work) -{ - struct ffs_io_data *io_data = container_of(work, struct ffs_io_data, - cancellation_work); - - ENTER(); - - usb_ep_dequeue(io_data->ep, io_data->req); -} - static int ffs_aio_cancel(struct kiocb *kiocb) { struct ffs_io_data *io_data = kiocb->private; - struct ffs_data *ffs = io_data->ffs; + struct ffs_epfile *epfile = kiocb->ki_filp->private_data; int value; ENTER(); - if (likely(io_data && io_data->ep && io_data->req)) { - INIT_WORK(&io_data->cancellation_work, ffs_aio_cancel_worker); - queue_work(ffs->io_completion_wq, &io_data->cancellation_work); - value = -EINPROGRESS; - } else { + spin_lock_irq(&epfile->ffs->eps_lock); + + if (likely(io_data && io_data->ep && io_data->req)) + value = usb_ep_dequeue(io_data->ep, io_data->req); + else value = -EINVAL; - } + + spin_unlock_irq(&epfile->ffs->eps_lock); return value; } |