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-rw-r--r--fs/ext4/super.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index fd51a4a..ed5e80e 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -2735,14 +2735,16 @@ static void ext4_remove_li_request(struct ext4_li_request *elr)
static void ext4_unregister_li_request(struct super_block *sb)
{
- struct ext4_li_request *elr = EXT4_SB(sb)->s_li_request;
-
- if (!ext4_li_info)
+ mutex_lock(&ext4_li_mtx);
+ if (!ext4_li_info) {
+ mutex_unlock(&ext4_li_mtx);
return;
+ }
mutex_lock(&ext4_li_info->li_list_mtx);
- ext4_remove_li_request(elr);
+ ext4_remove_li_request(EXT4_SB(sb)->s_li_request);
mutex_unlock(&ext4_li_info->li_list_mtx);
+ mutex_unlock(&ext4_li_mtx);
}
static struct task_struct *ext4_lazyinit_task;