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generic: don't lock when recursively deleting partitions

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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>
This commit is contained in:
David Bauer 2021-02-17 03:24:07 +01:00
parent 0621b23efb
commit 5408399fcb
1 changed files with 24 additions and 0 deletions
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24
target/linux/generic/pending-5.10/499-mtd-don-t-lock-when-recursively-deleting-partitions.patch Normal file
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@ -0,0 +1,24 @@
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
@@ -474,7 +474,7 @@ 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);