The unwind code was not reversing operations correctly and was causing a hang on any error condition.
Signed-off-by: Joe Hershberger joe.hershberger@ni.com --- Changes in v3: None Changes in v2: - Fixed error handling bug that prevents fail-over to default env on error
drivers/mtd/ubi/build.c | 8 ++++---- drivers/mtd/ubi/wl.c | 1 + 2 files changed, 5 insertions(+), 4 deletions(-)
diff --git a/drivers/mtd/ubi/build.c b/drivers/mtd/ubi/build.c index d144ac2..a708162 100644 --- a/drivers/mtd/ubi/build.c +++ b/drivers/mtd/ubi/build.c @@ -478,19 +478,19 @@ static int attach_by_scanning(struct ubi_device *ubi)
err = ubi_eba_init_scan(ubi, si); if (err) - goto out_wl; + goto out_vtbl;
err = ubi_wl_init_scan(ubi, si); if (err) - goto out_vtbl; + goto out_eba;
ubi_scan_destroy_si(si); return 0;
+out_eba: + ubi_eba_close(ubi); out_vtbl: vfree(ubi->vtbl); -out_wl: - ubi_wl_close(ubi); out_si: ubi_scan_destroy_si(si); return err; diff --git a/drivers/mtd/ubi/wl.c b/drivers/mtd/ubi/wl.c index 88b867a..d1ba722 100644 --- a/drivers/mtd/ubi/wl.c +++ b/drivers/mtd/ubi/wl.c @@ -1538,6 +1538,7 @@ int ubi_wl_init_scan(struct ubi_device *ubi, struct ubi_scan_info *si) if (ubi->avail_pebs < WL_RESERVED_PEBS) { ubi_err("no enough physical eraseblocks (%d, need %d)", ubi->avail_pebs, WL_RESERVED_PEBS); + err = -ENOSPC; goto out_free; } ubi->avail_pebs -= WL_RESERVED_PEBS;