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mtd: don't lock when recursively deleting partitions 

[ Upstream commit cb4543054c ]

When recursively deleting partitions, don't acquire the masters
partition lock twice. Otherwise the process ends up in a deadlocked
state.

Fixes: 46b5889cc2 ("mtd: implement proper partition handling")
Signed-off-by: David Bauer <mail@david-bauer.net>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20210217195320.893253-1-mail@david-bauer.net
Signed-off-by: Sasha Levin <sashal@kernel.org>
pull/339/head^2
David Bauer 2021-02-17 20:53:20 +01:00 committed by Greg Kroah-Hartman
parent 174fe383de
commit c55310e30d
1 changed files with 1 additions and 1 deletions
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2
drivers/mtd/mtdpart.c
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@ -331,7 +331,7 @@ static int __del_mtd_partitions(struct mtd_info *mtd)
list_for_each_entry_safe(child, next, &mtd->partitions, part.node) {
if (mtd_has_partitions(child))
del_mtd_partitions(child);
__del_mtd_partitions(child);
pr_info("Deleting %s MTD partition\n", child->name);
ret = del_mtd_device(child);