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@xxxxxxx>
---
drivers/staging/usbip/usbip_event.c | 17 ++++++++++++++++-
1 file changed, 16 insertions(+), 1 deletion(-)
diff --git a/drivers/staging/usbip/usbip_event.c b/drivers/staging/usbip/usbip_event.c
index 82123be..eca14b7 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 +87,20 @@ 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
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