[PATCH] mtd: don't lock when recursively deleting partitions

David Bauer mail at david-bauer.net
Wed Feb 17 14:53:20 EST 2021


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

Fixes commit 46b5889cc2c5 ("mtd: implement proper partition handling")

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

diff --git a/drivers/mtd/mtdpart.c b/drivers/mtd/mtdpart.c
index c3575b686f79..95d47422bbf2 100644
--- a/drivers/mtd/mtdpart.c
+++ b/drivers/mtd/mtdpart.c
@@ -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);
-- 
2.30.1




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