UBI: fastmap: use ubi_find_volume() instead of open coding it

process_pool_aeb() re-implements the logic found in ubi_find_volume().
Call ubi_find_volume() to avoid this duplication.

Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Richard Weinberger <richard@nod.at>

diff --git a/drivers/mtd/ubi/fastmap.c b/drivers/mtd/ubi/fastmap.c
index 48eb55f344eb12b23e2f77c5736cffa816b3ded0..a26dcc9d7703cc87c223d19576b0a9f3fe0bc1a4 100644 (file)
--- a/drivers/mtd/ubi/fastmap.c
+++ b/drivers/mtd/ubi/fastmap.c
@@ -370,9 +370,7 @@ static int process_pool_aeb(struct ubi_device *ubi, struct ubi_attach_info *ai,
                            struct ubi_vid_hdr *new_vh,
                            struct ubi_ainf_peb *new_aeb)
 {
-       struct ubi_ainf_volume *av, *tmp_av = NULL;
-       struct rb_node **p = &ai->volumes.rb_node, *parent = NULL;
-       int found = 0;
+       struct ubi_ainf_volume *av;
 
        if (be32_to_cpu(new_vh->vol_id) == UBI_FM_SB_VOLUME_ID ||
                be32_to_cpu(new_vh->vol_id) == UBI_FM_DATA_VOLUME_ID) {
@@ -382,23 +380,8 @@ static int process_pool_aeb(struct ubi_device *ubi, struct ubi_attach_info *ai,
        }
 
        /* Find the volume this SEB belongs to */
-       while (*p) {
-               parent = *p;
-               tmp_av = rb_entry(parent, struct ubi_ainf_volume, rb);
-
-               if (be32_to_cpu(new_vh->vol_id) > tmp_av->vol_id)
-                       p = &(*p)->rb_left;
-               else if (be32_to_cpu(new_vh->vol_id) < tmp_av->vol_id)
-                       p = &(*p)->rb_right;
-               else {
-                       found = 1;
-                       break;
-               }
-       }
-
-       if (found)
-               av = tmp_av;
-       else {
+       av = ubi_find_av(ai, be32_to_cpu(new_vh->vol_id));
+       if (!av) {
                ubi_err(ubi, "orphaned volume in fastmap pool!");
                kmem_cache_free(ai->aeb_slab_cache, new_aeb);
                return UBI_BAD_FASTMAP;