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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [day] [month] [year] [list]

Message-ID: <20250315124756851v6UQVu4NRD-RV62eoG0va@zte.com.cn>
Date: Sat, 15 Mar 2025 12:47:56 +0800 (CST)
From: <feng.wei8@....com.cn>
To: <mripard@...nel.org>
Cc: <maarten.lankhorst@...ux.intel.com>, <tzimmermann@...e.de>,
        <airlied@...il.com>, <simona@...ll.ch>,
        <dri-devel@...ts.freedesktop.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH] drm: Replace nested max() with single max3()

From: FengWei <feng.wei8@....com.cn>

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

Signed-off-by: FengWei <feng.wei8@....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