Messages in this thread Patch in this message | | | From | navin patidar <> | Subject | [PATCH v2] staging: usbip: replace pr_warning() with dev_warn(). | Date | Wed, 26 Jun 2013 15:11:43 +0530 |
| |
dev_warn() is preferred over pr_warning().
container_of() is used to get usb_driver pointer from usbip_device container (stub_device or vhci_device), to get device structure required for dev_warn().
Signed-off-by: navin patidar <navinp@cdac.in> --- drivers/staging/usbip/usbip_event.c | 14 +++++++++++++- 1 file changed, 13 insertions(+), 1 deletion(-)
diff --git a/drivers/staging/usbip/usbip_event.c b/drivers/staging/usbip/usbip_event.c index 82123be..3bd1b94 100644 --- a/drivers/staging/usbip/usbip_event.c +++ b/drivers/staging/usbip/usbip_event.c @@ -21,6 +21,8 @@ #include <linux/export.h>
#include "usbip_common.h" +#include "stub.h" +#include "vhci.h"
static int event_handler(struct usbip_device *ud) { @@ -85,7 +87,17 @@ int usbip_start_eh(struct usbip_device *ud)
ud->eh = kthread_run(event_handler_loop, ud, "usbip_eh"); if (IS_ERR(ud->eh)) { - pr_warning("Unable to start control thread\n"); + struct device dev; + if (ud->side == USBIP_STUB) { + struct stub_device *sdev; + sdev = container_of(ud, struct stub_device, ud); + dev = sdev->udev->dev; + } else { + struct vhci_device *vdev; + vdev = container_of(ud, struct vhci_device, ud); + dev = vdev->udev->dev; + } + dev_warn(&dev, "Unable to start control thread\n"); return PTR_ERR(ud->eh); }
-- 1.7.10.4
| |