staging/goldfish/goldfish_audio: fix a sparse warning

[firefly-linux-kernel-4.4.55.git] / drivers / staging / goldfish / goldfish_audio.c

diff --git a/drivers/staging/goldfish/goldfish_audio.c b/drivers/staging/goldfish/goldfish_audio.c
index 9df4ad88772bd054093c40c07f1ed447155a2359..c89d0b87a4460e863023c99e8a0096cc8264b0e8 100644 (file)
--- a/drivers/staging/goldfish/goldfish_audio.c
+++ b/drivers/staging/goldfish/goldfish_audio.c
@@ -297,7 +297,7 @@ static int goldfish_audio_probe(struct platform_device *pdev)
        }
        data->buffer_virt = dmam_alloc_coherent(&pdev->dev,
                                COMBINED_BUFFER_SIZE, &buf_addr, GFP_KERNEL);
-       if (data->buffer_virt == 0) {
+       if (data->buffer_virt == NULL) {
                dev_err(&pdev->dev, "allocate buffer failed\n");
                return -ENOMEM;
        }