From: Xiongwei Song <xiongwei.song@windriver.com>
Date: Thu, 13 Apr 2023 14:34:48 +0000 (+0800)
Subject: slub: Correct the error code when slab_kset is NULL
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=35973232b5cddd8b03dac2730cd1ca53137d1cd4;p=linux.git

slub: Correct the error code when slab_kset is NULL

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>
Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
---

diff --git a/mm/slub.c b/mm/slub.c
index c87628cd8a9af..1202ed1200f96 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -6224,7 +6224,7 @@ 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;