From 76c1637e95f738add192aa6d338c2f90a981d661 Mon Sep 17 00:00:00 2001 From: Joe Hershberger Date: Mon, 8 Apr 2013 10:32:46 +0000 Subject: [PATCH] ubi: Fix broken cleanup code in attach_by_scanning The unwind code was not reversing operations correctly and was causing a hang on any error condition. Signed-off-by: Joe Hershberger --- 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; -- 2.7.4