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-rw-r--r--fs/btrfs/extent_io.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index f1d198128959..8b8d3d99ae68 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -3075,6 +3075,8 @@ static struct extent_buffer *__alloc_extent_buffer(struct extent_io_tree *tree,
#endif
eb = kmem_cache_zalloc(extent_buffer_cache, mask);
+ if (eb == NULL)
+ return NULL;
eb->start = start;
eb->len = len;
spin_lock_init(&eb->lock);