[PATCH] usb: gadget: f_mass_storage: remove unused operations

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pre_eject and post_eject are not used by anyone. Removing them.

Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@xxxxxxxxxxx>
Signed-off-by: Kyungmin Park <kyungmin.park@xxxxxxxxxxx>
Acked-by: Michal Nazarewicz <mina86@xxxxxxxxxx>

---
 drivers/usb/gadget/f_mass_storage.c |   15 +--------------
 drivers/usb/gadget/f_mass_storage.h |   14 --------------
 2 files changed, 1 insertions(+), 28 deletions(-)

diff --git a/drivers/usb/gadget/f_mass_storage.c b/drivers/usb/gadget/f_mass_storage.c
index 62687df..a6b3a94 100644
--- a/drivers/usb/gadget/f_mass_storage.c
+++ b/drivers/usb/gadget/f_mass_storage.c
@@ -1259,26 +1259,13 @@ static int do_start_stop(struct fsg_common *common)
 	if (!loej)
 		return 0;
 
-	/* Simulate an unload/eject */
-	if (common->ops && common->ops->pre_eject) {
-		int r = common->ops->pre_eject(common, curlun,
-					       curlun - common->luns);
-		if (unlikely(r < 0))
-			return r;
-		else if (r)
-			return 0;
-	}
-
 	up_read(&common->filesem);
 	down_write(&common->filesem);
 	fsg_lun_close(curlun);
 	up_write(&common->filesem);
 	down_read(&common->filesem);
 
-	return common->ops && common->ops->post_eject
-		? min(0, common->ops->post_eject(common, curlun,
-						 curlun - common->luns))
-		: 0;
+	return 0;
 }
 
 static int do_prevent_allow(struct fsg_common *common)
diff --git a/drivers/usb/gadget/f_mass_storage.h b/drivers/usb/gadget/f_mass_storage.h
index 9f8d47e..df313e3 100644
--- a/drivers/usb/gadget/f_mass_storage.h
+++ b/drivers/usb/gadget/f_mass_storage.h
@@ -19,20 +19,6 @@ struct fsg_operations {
 	 * set).
 	 */
 	int (*thread_exits)(struct fsg_common *common);
-
-	/*
-	 * Called prior to ejection.  Negative return means error,
-	 * zero means to continue with ejection, positive means not to
-	 * eject.
-	 */
-	int (*pre_eject)(struct fsg_common *common,
-			 struct fsg_lun *lun, int num);
-	/*
-	 * Called after ejection.  Negative return means error, zero
-	 * or positive is just a success.
-	 */
-	int (*post_eject)(struct fsg_common *common,
-			  struct fsg_lun *lun, int num);
 };
 
 /* Data shared by all the FSG instances. */
-- 
1.7.0.4

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