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path: root/drivers/mtd/ubi/eba.c
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Diffstat (limited to 'drivers/mtd/ubi/eba.c')
-rw-r--r--drivers/mtd/ubi/eba.c15
1 files changed, 8 insertions, 7 deletions
diff --git a/drivers/mtd/ubi/eba.c b/drivers/mtd/ubi/eba.c
index 0aa7087438fa..e40db2fd2da3 100644
--- a/drivers/mtd/ubi/eba.c
+++ b/drivers/mtd/ubi/eba.c
@@ -861,7 +861,7 @@ write_error:
int ubi_eba_atomic_leb_change(struct ubi_device *ubi, struct ubi_volume *vol,
int lnum, const void *buf, int len)
{
- int err, pnum, tries = 0, vol_id = vol->vol_id;
+ int err, pnum, old_pnum, tries = 0, vol_id = vol->vol_id;
struct ubi_vid_hdr *vid_hdr;
uint32_t crc;
@@ -924,16 +924,17 @@ retry:
goto write_error;
}
- if (vol->eba_tbl[lnum] >= 0) {
- err = ubi_wl_put_peb(ubi, vol_id, lnum, vol->eba_tbl[lnum], 0);
- if (err)
- goto out_leb_unlock;
- }
-
down_read(&ubi->fm_sem);
+ old_pnum = vol->eba_tbl[lnum];
vol->eba_tbl[lnum] = pnum;
up_read(&ubi->fm_sem);
+ if (old_pnum >= 0) {
+ err = ubi_wl_put_peb(ubi, vol_id, lnum, old_pnum, 0);
+ if (err)
+ goto out_leb_unlock;
+ }
+
out_leb_unlock:
leb_write_unlock(ubi, vol_id, lnum);
out_mutex: