staging/goldfish/goldfish_audio: fix a sparse warning
Fix a pointer check to use NULL instead of 0
Warning:
drivers/staging/goldfish/goldfish_audio.c:300:34: warning: Using plain
integer as NULL pointer
Signed-off-by: Robin Schroer <sulamiification@gmail.com>
Acked-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/staging/goldfish/goldfish_audio.c b/drivers/staging/goldfish/goldfish_audio.c
index 9df4ad8..c89d0b8 100644
--- a/drivers/staging/goldfish/goldfish_audio.c
+++ b/drivers/staging/goldfish/goldfish_audio.c
@@ -297,7 +297,7 @@
}
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;
}