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Subject[PATCH 1/5] slub: Correct the error code when slab_kset is NULL
Date
From: Xiongwei Song <xiongwei.song@windriver.com>

The -ENOSYS is inproper when kset_create_and_add call returns a NULL
pointer, the failure more likely is because lacking memory, hence
returning -ENOMEM is better.

Signed-off-by: Xiongwei Song <xiongwei.song@windriver.com>
---
mm/slub.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/slub.c b/mm/slub.c
index 28ca576d988d..5cc56f780241 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -6225,7 +6225,7 @@ static int __init slab_sysfs_init(void)
if (!slab_kset) {
mutex_unlock(&slab_mutex);
pr_err("Cannot register slab subsystem.\n");
- return -ENOSYS;
+ return -ENOMEM;
}

slab_state = FULL;
--
2.30.2
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