parisc/parport_gsc: Use NULL to avoid sparse warning
Signed-off-by: Helge Deller <deller@gmx.de>
diff --git a/drivers/parport/parport_gsc.c b/drivers/parport/parport_gsc.c
index 5f710aa..190c0a7 100644
--- a/drivers/parport/parport_gsc.c
+++ b/drivers/parport/parport_gsc.c
@@ -256,7 +256,7 @@ struct parport *parport_gsc_probe_port(unsigned long base,
}
priv->ctr = 0xc;
priv->ctr_writable = 0xff;
- priv->dma_buf = 0;
+ priv->dma_buf = NULL;
priv->dma_handle = 0;
p->base = base;
p->base_hi = base_hi;