linux-kernel - [PATCH] devlink: use min() to make code cleaner

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Message-Id: <20211125071414.53147-1-lv.ruyi@zte.com.cn>
Date:   Thu, 25 Nov 2021 07:14:14 +0000
From:   cgel.zte@...il.com
To:     jiri@...dia.com
Cc:     davem@...emloft.net, kuba@...nel.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, Lv Ruyi <lv.ruyi@....com.cn>,
        Zeal Robot <zealci@....com.cn>
Subject: [PATCH] devlink: use min() to make code cleaner

From: Lv Ruyi <lv.ruyi@....com.cn>

Use the macro 'min()' defined in 'include/linux/minmax.h' to avoid
opencoding it.

Reported-by: Zeal Robot <zealci@....com.cn>
Signed-off-by: Lv Ruyi <lv.ruyi@....com.cn>
---
 net/core/devlink.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/net/core/devlink.c b/net/core/devlink.c
index d144a62cbf73..6ffbbb02fb91 100644
--- a/net/core/devlink.c
+++ b/net/core/devlink.c
@@ -9,6 +9,7 @@
 
 #include <linux/kernel.h>
 #include <linux/module.h>
+#include <linux/minmax.h>
 #include <linux/types.h>
 #include <linux/slab.h>
 #include <linux/gfp.h>
@@ -5763,10 +5764,7 @@ static int devlink_nl_region_read_snapshot_fill(struct sk_buff *skb,
 		u32 data_size;
 		u8 *data;
 
-		if (end_offset - curr_offset < DEVLINK_REGION_READ_CHUNK_SIZE)
-			data_size = end_offset - curr_offset;
-		else
-			data_size = DEVLINK_REGION_READ_CHUNK_SIZE;
+		data_size = min(end_offset - curr_offset, DEVLINK_REGION_READ_CHUNK_SIZE);
 
 		data = &snapshot->data[curr_offset];
 		err = devlink_nl_cmd_region_read_chunk_fill(skb, devlink,
-- 
2.25.1