staging: hv: remove unneeded osd_schedule_callback

No one calls it anymore, so remove it.

Reviewed-By: Hank Janssen <hjanssen@microsoft.com>
Cc: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Timo Teräs <timo.teras@iki.fi>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

2 files changed, 0 insertions, 38 deletions

diff --git a/drivers/staging/hv/osd.c b/drivers/staging/hv/osd.c
index b699ee27f07f..b5a3940331b3 100644
--- a/drivers/staging/hv/osd.c
+++ b/drivers/staging/hv/osd.c
@@ -43,12 +43,6 @@
 #include <linux/slab.h>
 #include "osd.h"
 
-struct osd_callback_struct {
-        struct work_struct work;
-        void (*callback)(void *);
-        void *data;
-};
-
 void *osd_virtual_alloc_exec(unsigned int size)
 {
 #ifdef __x86_64__
@@ -198,31 +192,3 @@ int osd_waitevent_waitex(struct osd_waitevent *wait_event, u32 timeout_in_ms)
         return ret;
 }
 EXPORT_SYMBOL_GPL(osd_waitevent_waitex);
-
-static void osd_callback_work(struct work_struct *work)
-{
-        struct osd_callback_struct *cb = container_of(work,
-                                                struct osd_callback_struct,
-                                                work);
-        (cb->callback)(cb->data);
-        kfree(cb);
-}
-
-int osd_schedule_callback(struct workqueue_struct *wq,
-                          void (*func)(void *),
-                          void *data)
-{
-        struct osd_callback_struct *cb;
-
-        cb = kmalloc(sizeof(*cb), GFP_KERNEL);
-        if (!cb) {
-                printk(KERN_ERR "unable to allocate memory in osd_schedule_callback\n");
-                return -1;
-        }
-
-        cb->callback = func;
-        cb->data = data;
-        INIT_WORK(&cb->work, osd_callback_work);
-        return queue_work(wq, &cb->work);
-}
-
diff --git a/drivers/staging/hv/osd.h b/drivers/staging/hv/osd.h
index cae126ff6b9a..870ef0768833 100644
--- a/drivers/staging/hv/osd.h
+++ b/drivers/staging/hv/osd.h
@@ -63,8 +63,4 @@ extern int osd_waitevent_wait(struct osd_waitevent *wait_event);
 extern int osd_waitevent_waitex(struct osd_waitevent *wait_event,
                                u32 timeout_in_ms);
 
-int osd_schedule_callback(struct workqueue_struct *wq,
-                          void (*func)(void *),
-                          void *data);
-
 #endif /* _OSD_H_ */