diff options
Diffstat (limited to 'drivers/media/video/gspca/gspca.c')
| -rw-r--r-- | drivers/media/video/gspca/gspca.c | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/drivers/media/video/gspca/gspca.c b/drivers/media/video/gspca/gspca.c index 7669f27238c3..a14c8f71d48b 100644 --- a/drivers/media/video/gspca/gspca.c +++ b/drivers/media/video/gspca/gspca.c @@ -2499,8 +2499,11 @@ int gspca_suspend(struct usb_interface *intf, pm_message_t message) destroy_urbs(gspca_dev); gspca_input_destroy_urb(gspca_dev); gspca_set_alt0(gspca_dev); - if (gspca_dev->sd_desc->stop0) + if (gspca_dev->sd_desc->stop0) { + mutex_lock(&gspca_dev->usb_lock); gspca_dev->sd_desc->stop0(gspca_dev); + mutex_unlock(&gspca_dev->usb_lock); + } return 0; } EXPORT_SYMBOL(gspca_suspend); @@ -2508,7 +2511,7 @@ EXPORT_SYMBOL(gspca_suspend); int gspca_resume(struct usb_interface *intf) { struct gspca_dev *gspca_dev = usb_get_intfdata(intf); - int streaming; + int streaming, ret = 0; gspca_dev->frozen = 0; gspca_dev->sd_desc->init(gspca_dev); @@ -2521,9 +2524,12 @@ int gspca_resume(struct usb_interface *intf) streaming = gspca_dev->streaming; gspca_dev->streaming = 0; v4l2_ctrl_handler_setup(gspca_dev->vdev.ctrl_handler); - if (streaming) - return gspca_init_transfer(gspca_dev); - return 0; + if (streaming) { + mutex_lock(&gspca_dev->queue_lock); + ret = gspca_init_transfer(gspca_dev); + mutex_unlock(&gspca_dev->queue_lock); + } + return ret; } EXPORT_SYMBOL(gspca_resume); #endif |