Messages in this thread Patch in this message | ![/](/images/icornerl.gif) | | From | Zhihao Cheng <> | Subject | [PATCH 1/2] ubi: ubi_init: Fix missed debugfs cleanup in error handling path | Date | Wed, 10 Apr 2024 15:40:32 +0800 |
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The debugfs dir is created in ubi_init, but it is not destroyed in error handling path of ubi_init when ubi is loaded by inserting module (eg. attaching failure), which leads to subsequent ubi_init calls failed. Fix it by destroying debugfs dir in corresponding error handling path.
Fixes: 927c145208b0 ("mtd: ubi: attach from device tree") Signed-off-by: Zhihao Cheng <chengzhihao1@huawei.com> --- drivers/mtd/ubi/build.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/mtd/ubi/build.c b/drivers/mtd/ubi/build.c index a7e3a6246c0e..7f95fd7968a8 100644 --- a/drivers/mtd/ubi/build.c +++ b/drivers/mtd/ubi/build.c @@ -1372,7 +1372,7 @@ static int __init ubi_init(void) /* See comment above re-ubi_is_module(). */ if (ubi_is_module()) - goto out_slab; + goto out_debugfs; } register_mtd_user(&ubi_mtd_notifier); @@ -1387,6 +1387,8 @@ static int __init ubi_init(void) out_mtd_notifier: unregister_mtd_user(&ubi_mtd_notifier); +out_debugfs: + ubi_debugfs_exit(); out_slab: kmem_cache_destroy(ubi_wl_entry_slab); out_dev_unreg: -- 2.39.2
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