linux-kernel - [PATCH 2/6] s390: simplify one-level syctl registration for s390dbf

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Message-Id: <20230310234525.3986352-3-mcgrof@kernel.org>
Date:   Fri, 10 Mar 2023 15:45:21 -0800
From:   Luis Chamberlain <mcgrof@...nel.org>
To:     hca@...ux.ibm.com, agordeev@...ux.ibm.com,
        borntraeger@...ux.ibm.com, svens@...ux.ibm.com,
        linux-s390@...r.kernel.org, sudipm.mukherjee@...il.com
Cc:     ebiederm@...ssion.com, keescook@...omium.org, yzaikin@...gle.com,
        j.granados@...sung.com, patches@...ts.linux.dev,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
        Luis Chamberlain <mcgrof@...nel.org>
Subject: [PATCH 2/6] s390: simplify one-level syctl registration for s390dbf_table

There is no need to declare an extra tables to just create directory,
this can be easily be done with a prefix path with register_sysctl().

Simplify this registration.

Signed-off-by: Luis Chamberlain <mcgrof@...nel.org>
---
 arch/s390/kernel/debug.c | 12 +-----------
 1 file changed, 1 insertion(+), 11 deletions(-)

diff --git a/arch/s390/kernel/debug.c b/arch/s390/kernel/debug.c
index b376f0377a2c..221c865785c2 100644
--- a/arch/s390/kernel/debug.c
+++ b/arch/s390/kernel/debug.c
@@ -981,16 +981,6 @@ static struct ctl_table s390dbf_table[] = {
 	{ }
 };
 
-static struct ctl_table s390dbf_dir_table[] = {
-	{
-		.procname	= "s390dbf",
-		.maxlen		= 0,
-		.mode		= S_IRUGO | S_IXUGO,
-		.child		= s390dbf_table,
-	},
-	{ }
-};
-
 static struct ctl_table_header *s390dbf_sysctl_header;
 
 /**
@@ -1574,7 +1564,7 @@ static int debug_sprintf_format_fn(debug_info_t *id, struct debug_view *view,
  */
 static int __init debug_init(void)
 {
-	s390dbf_sysctl_header = register_sysctl_table(s390dbf_dir_table);
+	s390dbf_sysctl_header = register_sysctl("s390dbf", s390dbf_table);
 	mutex_lock(&debug_mutex);
 	debug_debugfs_root_entry = debugfs_create_dir(DEBUG_DIR_ROOT, NULL);
 	initialized = 1;
-- 
2.39.1