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


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From: David Bauer <mail@david-bauer.net>
Date: Wed, 17 Feb 2021 03:21:39 +0100
Subject: [PATCH] mtd: don't lock when recursively deleting partitions

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

Signed-off-by: David Bauer <mail@david-bauer.net>
---
 drivers/mtd/mtdpart.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/mtd/mtdpart.c
+++ b/drivers/mtd/mtdpart.c
@@ -331,7 +331,7 @@ static int __del_mtd_partitions(struct m
 
 	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);