[PATCH] drm: Replace nested max() with single max3()

[feng.wei8]

From: FengWei <feng.w...@zte.com.cn>

Use max3() macro instead of nesting max() to simplify the return
statement.

Signed-off-by: FengWei <feng.w...@zte.com.cn>
---
 drivers/gpu/drm/drm_ioctl.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/drm_ioctl.c b/drivers/gpu/drm/drm_ioctl.c
index f593dc569d31..115a8eb0d8a5 100644
--- a/drivers/gpu/drm/drm_ioctl.c
+++ b/drivers/gpu/drm/drm_ioctl.c
@@ -856,7 +856,7 @@ long drm_ioctl(struct file *filp,
                in_size = 0;
        if ((cmd & ioctl->cmd & IOC_OUT) == 0)
                out_size = 0;
-       ksize = max(max(in_size, out_size), drv_size);
+       ksize = max3(in_size, out_size, drv_size);

        drm_dbg_core(dev, "comm=\"%s\" pid=%d, dev=0x%lx, auth=%d, %s\n",
                     current->comm, task_pid_nr(current),
-- 
2.25.1