diff options
| author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2019-07-26 15:05:34 +1000 |
|---|---|---|
| committer | Felipe Balbi <felipe.balbi@linux.intel.com> | 2019-08-12 08:54:48 +0300 |
| commit | 155940a16d688b5376f7c955a5f53259c6fe5689 (patch) | |
| tree | 568d53e8e4604820d50bef8faeefffe421629720 /drivers/usb/gadget | |
| parent | ef9d34686bae33de38b0198a4c6c1a50daab31d7 (diff) | |
usb: gadget: aspeed: Check suspend/resume callback existence
.. before calling them
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Diffstat (limited to 'drivers/usb/gadget')
| -rw-r--r-- | drivers/usb/gadget/udc/aspeed-vhub/dev.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/usb/gadget/udc/aspeed-vhub/dev.c b/drivers/usb/gadget/udc/aspeed-vhub/dev.c index 71e2416858fd..5f7e3b6de531 100644 --- a/drivers/usb/gadget/udc/aspeed-vhub/dev.c +++ b/drivers/usb/gadget/udc/aspeed-vhub/dev.c @@ -458,7 +458,7 @@ static const struct usb_gadget_ops ast_vhub_udc_ops = { void ast_vhub_dev_suspend(struct ast_vhub_dev *d) { d->suspended = true; - if (d->driver) { + if (d->driver && d->driver->suspend) { spin_unlock(&d->vhub->lock); d->driver->suspend(&d->gadget); spin_lock(&d->vhub->lock); @@ -468,7 +468,7 @@ void ast_vhub_dev_suspend(struct ast_vhub_dev *d) void ast_vhub_dev_resume(struct ast_vhub_dev *d) { d->suspended = false; - if (d->driver) { + if (d->driver && d->driver->resume) { spin_unlock(&d->vhub->lock); d->driver->resume(&d->gadget); spin_lock(&d->vhub->lock); |