From: Wang Wensheng wangwensheng4@huawei.com
[ Upstream commit 2284f47fe9fe2ed2ef619e5474e155cfeeebd569 ]
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 Signed-off-by: Sasha Levin sashal@kernel.org --- mm/sparse.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/mm/sparse.c b/mm/sparse.c index 7bd23f9d6cef..33406ea2ecc4 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);