target/linux/generic/backport-5.10/499-v5.13-mtd-don-t-lock-when-recursively-deleting-partitions.patch

   1 From: David Bauer <mail@david-bauer.net>
   2 Date: Wed, 17 Feb 2021 03:21:39 +0100
   3 Subject: [PATCH] mtd: don't lock when recursively deleting partitions
   4
   5 When recursively deleting partitions, don't acquire the masters
   6 partition lock twice. Otherwise the process endy up in a deadlocked
   7 state.
   8
   9 Signed-off-by: David Bauer <mail@david-bauer.net>
  10 ---
  11  drivers/mtd/mtdpart.c | 2 +-
  12  1 file changed, 1 insertion(+), 1 deletion(-)
  13
  14 --- a/drivers/mtd/mtdpart.c
  15 +++ b/drivers/mtd/mtdpart.c
  16 @@ -331,7 +331,7 @@ static int __del_mtd_partitions(struct m
  17
  18         list_for_each_entry_safe(child, next, &mtd->partitions, part.node) {
  19                 if (mtd_has_partitions(child))
  20 -                       del_mtd_partitions(child);
  21 +                       __del_mtd_partitions(child);
  22
  23                 pr_info("Deleting %s MTD partition\n", child->name);
  24                 ret = del_mtd_device(child);