[media] s5p-g2d: Fix NULL pointer warnings in g2d.c file

Fixes the following warnings detected by sparse:
warning: Using plain integer as NULL pointer

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Acked-by: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

diff --git a/drivers/media/video/s5p-g2d/g2d.c b/drivers/media/video/s5p-g2d/g2d.c
index 02605ce..059d932 100644 (file)
--- a/drivers/media/video/s5p-g2d/g2d.c
+++ b/drivers/media/video/s5p-g2d/g2d.c
@@ -546,11 +546,11 @@ static void job_abort(void *prv)
        struct g2d_dev *dev = ctx->dev;
        int ret;
 
-       if (dev->curr == 0) /* No job currently running */
+       if (dev->curr == NULL) /* No job currently running */
                return;
 
        ret = wait_event_timeout(dev->irq_queue,
-               dev->curr == 0,
+               dev->curr == NULL,
                msecs_to_jiffies(G2D_TIMEOUT));
 }
 
@@ -599,19 +599,19 @@ static irqreturn_t g2d_isr(int irq, void *prv)
        g2d_clear_int(dev);
        clk_disable(dev->gate);
 
-       BUG_ON(ctx == 0);
+       BUG_ON(ctx == NULL);
 
        src = v4l2_m2m_src_buf_remove(ctx->m2m_ctx);
        dst = v4l2_m2m_dst_buf_remove(ctx->m2m_ctx);
 
-       BUG_ON(src == 0);
-       BUG_ON(dst == 0);
+       BUG_ON(src == NULL);
+       BUG_ON(dst == NULL);
 
        v4l2_m2m_buf_done(src, VB2_BUF_STATE_DONE);
        v4l2_m2m_buf_done(dst, VB2_BUF_STATE_DONE);
        v4l2_m2m_job_finish(dev->m2m_dev, ctx->m2m_ctx);
 
-       dev->curr = 0;
+       dev->curr = NULL;
        wake_up(&dev->irq_queue);
        return IRQ_HANDLED;
 }