diff options
| author | Boris Brezillon <boris.brezillon@free-electrons.com> | 2016-09-16 16:59:14 +0200 |
|---|---|---|
| committer | Richard Weinberger <richard@nod.at> | 2016-10-02 22:48:14 +0200 |
| commit | de4c455b3e9f6306ce7f4245d1ae09d4f1209bb4 (patch) | |
| tree | fcd764fb80555312cf6d1aa67218cd302af08c5c /drivers/mtd/ubi/fastmap.c | |
| parent | 5f09aaa9b30c91e6f72790bfb975240e8116d6db (diff) | |
| download | linux-de4c455b3e9f6306ce7f4245d1ae09d4f1209bb4.tar.bz2 | |
UBI: factorize code used to manipulate volumes at attach time
Volume creation/search code is duplicated in a few places (fastmap and
non fastmap code). Create some helpers to factorize the code.
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
Diffstat (limited to 'drivers/mtd/ubi/fastmap.c')
| -rw-r--r-- | drivers/mtd/ubi/fastmap.c | 27 |
1 files changed, 3 insertions, 24 deletions
diff --git a/drivers/mtd/ubi/fastmap.c b/drivers/mtd/ubi/fastmap.c index a6ed78d14055..bae80699c2f2 100644 --- a/drivers/mtd/ubi/fastmap.c +++ b/drivers/mtd/ubi/fastmap.c @@ -186,40 +186,19 @@ static struct ubi_ainf_volume *add_vol(struct ubi_attach_info *ai, int vol_id, int last_eb_bytes) { struct ubi_ainf_volume *av; - struct rb_node **p = &ai->volumes.rb_node, *parent = NULL; - while (*p) { - parent = *p; - av = rb_entry(parent, struct ubi_ainf_volume, rb); - - if (vol_id > av->vol_id) - p = &(*p)->rb_left; - else if (vol_id < av->vol_id) - p = &(*p)->rb_right; - else - return ERR_PTR(-EINVAL); - } + av = ubi_add_av(ai, vol_id); + if (IS_ERR(av)) + return av; - av = kmalloc(sizeof(struct ubi_ainf_volume), GFP_KERNEL); - if (!av) - goto out; - - av->highest_lnum = av->leb_count = av->used_ebs = 0; - av->vol_id = vol_id; av->data_pad = data_pad; av->last_data_size = last_eb_bytes; av->compat = 0; av->vol_type = vol_type; - av->root = RB_ROOT; if (av->vol_type == UBI_STATIC_VOLUME) av->used_ebs = used_ebs; dbg_bld("found volume (ID %i)", vol_id); - - rb_link_node(&av->rb, parent, p); - rb_insert_color(&av->rb, &ai->volumes); - -out: return av; } |