From f5f9d43f0a61e636008e2325c1c6178bd5b0da27 Mon Sep 17 00:00:00 2001
From: Boris Brezillon <boris.brezillon@free-electrons.com>
Date: Fri, 16 Sep 2016 16:59:09 +0200
Subject: [PATCH] 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>
---
drivers/mtd/ubi/fastmap.c | 23 +++--------------------
1 file changed, 3 insertions(+), 20 deletions(-)
diff --git a/drivers/mtd/ubi/fastmap.c b/drivers/mtd/ubi/fastmap.c
index 48eb55f344eb1..a26dcc9d7703c 100644
--- 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;
--
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