From 2284f47fe9fe2ed2ef619e5474e155cfeeebd569 Mon Sep 17 00:00:00 2001
From: Wang Wensheng <wangwensheng4@huawei.com>
Date: Thu, 29 Apr 2021 22:57:58 -0700
Subject: [PATCH] mm/sparse: add the missing sparse_buffer_fini() in error
branch
sparse_buffer_init() and sparse_buffer_fini() should appear in pair, or a
WARN issue would be through the next time sparse_buffer_init() runs.
Add the missing sparse_buffer_fini() in error branch.
Link: https://lkml.kernel.org/r/20210325113155.118574-1-wangwensheng4@huawei.com
Fixes: 85c77f791390 ("mm/sparse: add new sparse_init_nid() and sparse_init()")
Signed-off-by: Wang Wensheng <wangwensheng4@huawei.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Oscar Salvador <osalvador@suse.de>
Cc: Pavel Tatashin <pasha.tatashin@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
mm/sparse.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/mm/sparse.c b/mm/sparse.c
index 7bd23f9d6cef6..33406ea2ecc44 100644
--- a/mm/sparse.c
+++ b/mm/sparse.c
@@ -547,6 +547,7 @@ static void __init sparse_init_nid(int nid, unsigned long pnum_begin,
pr_err("%s: node[%d] memory map backing failed. Some memory will not be available.",
__func__, nid);
pnum_begin = pnum;
+ sparse_buffer_fini();
goto failed;
}
check_usemap_section_nr(nid, usage);
--
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