diff options
authorWang Wensheng <>2021-04-29 22:57:58 -0700
committerLinus Torvalds <>2021-04-30 11:20:39 -0700
commit2284f47fe9fe2ed2ef619e5474e155cfeeebd569 (patch)
parent943f229e9608104c11bf9a230883dbd121323532 (diff)
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: Fixes: 85c77f791390 ("mm/sparse: add new sparse_init_nid() and sparse_init()") Signed-off-by: Wang Wensheng <> Reviewed-by: David Hildenbrand <> Reviewed-by: Oscar Salvador <> Cc: Pavel Tatashin <> Signed-off-by: Andrew Morton <> Signed-off-by: Linus Torvalds <>
1 files changed, 1 insertions, 0 deletions
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);