linux-kernel - [PATCH] fs: fix proc_handler for sysctl_nr

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Message-ID: <20241124034636.325337-1-alexjlzheng@tencent.com>
Date: Sun, 24 Nov 2024 11:46:36 +0800
From: Jinliang Zheng <alexjlzheng@...il.com>
To: viro@...iv.linux.org.uk,
	brauner@...nel.org,
	jack@...e.cz,
	adobriyan@...il.com
Cc: linux-fsdevel@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Jinliang Zheng <alexjlzheng@...cent.com>
Subject: [PATCH] fs: fix proc_handler for sysctl_nr_open

Use proc_douintvec_minmax() instead of proc_dointvec_minmax() to handle
sysctl_nr_open, because its data type is unsigned int, not int.

Fixes: 9b80a184eaad ("fs/file: more unsigned file descriptors")
Signed-off-by: Jinliang Zheng <alexjlzheng@...cent.com>
---
 fs/file_table.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/file_table.c b/fs/file_table.c
index 976736be47cb..502b81f614d9 100644
--- a/fs/file_table.c
+++ b/fs/file_table.c
@@ -128,7 +128,7 @@ static struct ctl_table fs_stat_sysctls[] = {
 		.data		= &sysctl_nr_open,
 		.maxlen		= sizeof(unsigned int),
 		.mode		= 0644,
-		.proc_handler	= proc_dointvec_minmax,
+		.proc_handler	= proc_douintvec_minmax,
 		.extra1		= &sysctl_nr_open_min,
 		.extra2		= &sysctl_nr_open_max,
 	},
-- 
2.41.1