UBI: remove unused function

The 'ubi_scan_find_aeb()' function is unused and thus can be removed.
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>

drivers/mtd/ubi/scan.c

@@ -614,35 +614,6 @@ struct ubi_ainf_volume *ubi_scan_find_av(const struct ubi_attach_info *ai,
 	return NULL;
 }
 
-/**
- * ubi_scan_find_aeb - find LEB in the volume attaching information.
- * @av: a pointer to the volume attaching information
- * @lnum: the requested logical eraseblock
- *
- * This function returns a pointer to the scanning logical eraseblock or %NULL
- * if there are no data about it in the scanning volume information.
- */
-struct ubi_ainf_peb *ubi_scan_find_aeb(const struct ubi_ainf_volume *av,
-				       int lnum)
-{
-	struct ubi_ainf_peb *aeb;
-	struct rb_node *p = av->root.rb_node;
-
-	while (p) {
-		aeb = rb_entry(p, struct ubi_ainf_peb, u.rb);
-
-		if (lnum == aeb->lnum)
-			return aeb;
-
-		if (lnum > aeb->lnum)
-			p = p->rb_left;
-		else
-			p = p->rb_right;
-	}
-
-	return NULL;
-}
-
 /**
  * ubi_scan_rm_volume - delete attaching information about a volume.
  * @ai: attaching information

drivers/mtd/ubi/scan.h

@@ -162,8 +162,6 @@ int ubi_scan_add_used(struct ubi_device *ubi, struct ubi_attach_info *ai,
 		      int bitflips);
 struct ubi_ainf_volume *ubi_scan_find_av(const struct ubi_attach_info *ai,
 					 int vol_id);
-struct ubi_ainf_peb *ubi_scan_find_aeb(const struct ubi_ainf_volume *av,
-				       int lnum);
 void ubi_scan_rm_volume(struct ubi_attach_info *ai, struct ubi_ainf_volume *av);
 struct ubi_ainf_peb *ubi_scan_get_free_peb(struct ubi_device *ubi,
 					   struct ubi_attach_info *ai);