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-rw-r--r--lib/maple_tree.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/lib/maple_tree.c b/lib/maple_tree.c
index 58985107cf00..8ba52ffa778e 100644
--- a/lib/maple_tree.c
+++ b/lib/maple_tree.c
@@ -6371,14 +6371,18 @@ write_retry:
/* Must reset to ensure spanning writes of last slot are detected */
mas_reset(mas);
- mas_wr_store_setup(&wr_mas);
- mas_wr_store_entry(&wr_mas);
+ mas_wr_preallocate(&wr_mas, NULL);
if (mas_nomem(mas, GFP_KERNEL)) {
/* in case the range of entry changed when unlocked */
mas->index = mas->last = index;
goto write_retry;
}
+ if (mas_is_err(mas))
+ goto out;
+
+ mas_wr_store_entry(&wr_mas);
+out:
mas_destroy(mas);
return entry;
}