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-rw-r--r--drivers/hv/ring_buffer.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/hv/ring_buffer.c b/drivers/hv/ring_buffer.c
index 931802ae985c..71efacb90965 100644
--- a/drivers/hv/ring_buffer.c
+++ b/drivers/hv/ring_buffer.c
@@ -223,6 +223,8 @@ int hv_ringbuffer_init(struct hv_ring_buffer_info *ring_info,
pages_wraparound = kcalloc(page_cnt * 2 - 1,
sizeof(struct page *),
GFP_KERNEL);
+ if (!pages_wraparound)
+ return -ENOMEM;
pages_wraparound[0] = pages;
for (i = 0; i < 2 * (page_cnt - 1); i++)