| Date | Sun, 14 Oct 2012 15:35:48 +0100 | From | Ben Hutchings <> | Subject | [ 015/147] UBI: fix autoresize handling in R/O mode |
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3.2-stable review patch. If anyone has any objections, please let me know.
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From: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
commit abb3e01103eb4e2ea5c15e6fedbc74e08bd4cc2b upstream.
Currently UBI fails in autoresize when it is in R/O mode (e.g., because the underlying MTD device is R/O). This patch fixes the issue - we just skip autoresize and print a warning.
Reported-by: Pali Rohár <pali.rohar@gmail.com> Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com> Signed-off-by: Ben Hutchings <ben@decadent.org.uk> --- drivers/mtd/ubi/build.c | 5 +++++ 1 file changed, 5 insertions(+)
diff --git a/drivers/mtd/ubi/build.c b/drivers/mtd/ubi/build.c index 355756b..8966088 100644 --- a/drivers/mtd/ubi/build.c +++ b/drivers/mtd/ubi/build.c @@ -799,6 +799,11 @@ static int autoresize(struct ubi_device *ubi, int vol_id) struct ubi_volume *vol = ubi->volumes[vol_id]; int err, old_reserved_pebs = vol->reserved_pebs; + if (ubi->ro_mode) { + ubi_warn("skip auto-resize because of R/O mode"); + return 0; + } + /* * Clear the auto-resize flag in the volume in-memory copy of the * volume table, and 'ubi_resize_volume()' will propagate this change
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