UBI: bugfix: allocate mandatory EBs first
First allocate the necessary eraseblocks, then the optional ones.
Otherwise it allocates all PEBs for bad EB handling, and fails
on then following EBA LEB allocation.
Reported-by: Adrian Hunter <ext-adrian.hunter@nokia.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
diff --git a/drivers/mtd/ubi/eba.c b/drivers/mtd/ubi/eba.c
index 880fa36..85f50c8 100644
--- a/drivers/mtd/ubi/eba.c
+++ b/drivers/mtd/ubi/eba.c
@@ -1168,6 +1168,15 @@
}
}
+ if (ubi->avail_pebs < EBA_RESERVED_PEBS) {
+ ubi_err("no enough physical eraseblocks (%d, need %d)",
+ ubi->avail_pebs, EBA_RESERVED_PEBS);
+ err = -ENOSPC;
+ goto out_free;
+ }
+ ubi->avail_pebs -= EBA_RESERVED_PEBS;
+ ubi->rsvd_pebs += EBA_RESERVED_PEBS;
+
if (ubi->bad_allowed) {
ubi_calculate_reserved(ubi);
@@ -1184,15 +1193,6 @@
ubi->rsvd_pebs += ubi->beb_rsvd_pebs;
}
- if (ubi->avail_pebs < EBA_RESERVED_PEBS) {
- ubi_err("no enough physical eraseblocks (%d, need %d)",
- ubi->avail_pebs, EBA_RESERVED_PEBS);
- err = -ENOSPC;
- goto out_free;
- }
- ubi->avail_pebs -= EBA_RESERVED_PEBS;
- ubi->rsvd_pebs += EBA_RESERVED_PEBS;
-
dbg_eba("EBA unit is initialized");
return 0;