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Diffstat (limited to 'drivers/hwtracing/intel_th/msu-sink.c')
-rw-r--r--drivers/hwtracing/intel_th/msu-sink.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/hwtracing/intel_th/msu-sink.c b/drivers/hwtracing/intel_th/msu-sink.c
index 2c7f5116be12..891b28ea25fe 100644
--- a/drivers/hwtracing/intel_th/msu-sink.c
+++ b/drivers/hwtracing/intel_th/msu-sink.c
@@ -71,6 +71,9 @@ static int msu_sink_alloc_window(void *data, struct sg_table **sgt, size_t size)
block = dma_alloc_coherent(priv->dev->parent->parent,
PAGE_SIZE, &sg_dma_address(sg_ptr),
GFP_KERNEL);
+ if (!block)
+ return -ENOMEM;
+
sg_set_buf(sg_ptr, block, PAGE_SIZE);
}