[PATCH 21/35] UBI: Fastmap: Switch to ro mode if invalidate_fastmap() fails

From: Richard Weinberger
Date: Wed Oct 29 2014 - 08:51:26 EST


We have to switch to ro mode to guarantee that upon next UBI attach
all data is consistent.

Signed-off-by: Richard Weinberger <richard@xxxxxx>
---
drivers/mtd/ubi/fastmap.c | 8 +++-----
1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/drivers/mtd/ubi/fastmap.c b/drivers/mtd/ubi/fastmap.c
index ad3655c..79b7387 100644
--- a/drivers/mtd/ubi/fastmap.c
+++ b/drivers/mtd/ubi/fastmap.c
@@ -842,10 +842,6 @@ fail:
list_del(&tmp_aeb->u.list);
kmem_cache_free(ai->aeb_slab_cache, tmp_aeb);
}
- list_for_each_entry_safe(tmp_aeb, _tmp_aeb, &eba_orphans, u.list) {
- list_del(&tmp_aeb->u.list);
- kmem_cache_free(ai->aeb_slab_cache, tmp_aeb);
- }
list_for_each_entry_safe(tmp_aeb, _tmp_aeb, &free, u.list) {
list_del(&tmp_aeb->u.list);
kmem_cache_free(ai->aeb_slab_cache, tmp_aeb);
@@ -1562,8 +1558,10 @@ err:
ret = 0;
if (old_fm) {
ret = invalidate_fastmap(ubi, old_fm);
- if (ret < 0)
+ if (ret < 0) {
ubi_err("Unable to invalidiate current fastmap!");
+ ubi_ro_mode(ubi);
+ }
else if (ret)
ret = 0;
}
--
1.8.4.5

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