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-rw-r--r--mm/mmap.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/mm/mmap.c b/mm/mmap.c
index 0bb74ca2139d..7f684d5a8087 100644
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -778,10 +778,12 @@ again: remove_next = 1 + (end > next->vm_end);
if (exporter && exporter->anon_vma && !importer->anon_vma) {
int error;
+ importer->anon_vma = exporter->anon_vma;
error = anon_vma_clone(importer, exporter);
- if (error)
+ if (error) {
+ importer->anon_vma = NULL;
return error;
- importer->anon_vma = exporter->anon_vma;
+ }
}
}