Patch "ksmbd: Convert to use sysfs_emit()/sysfs_emit_at() APIs" has been added to the 6.1-stable tree

[Sasha Levin <sashal@xxxxxxxxxx>]

This is a note to let you know that I've just added the patch titled

    ksmbd: Convert to use sysfs_emit()/sysfs_emit_at() APIs

to the 6.1-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     ksmbd-convert-to-use-sysfs_emit-sysfs_emit_at-apis.patch
and it can be found in the queue-6.1 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.



commit 343c46a61f2feaf71ed606c915931fa11c370a7b
Author: ye xingchen <ye.xingchen@xxxxxxxxxx>
Date:   Sun Dec 31 16:12:24 2023 +0900

    ksmbd: Convert to use sysfs_emit()/sysfs_emit_at() APIs
    
    [ Upstream commit 72ee45fd46d0d3578c4e6046f66fae3218543ce3 ]
    
    Follow the advice of the Documentation/filesystems/sysfs.rst and show()
    should only use sysfs_emit() or sysfs_emit_at() when formatting the
    value to be returned to user space.
    
    Signed-off-by: ye xingchen <ye.xingchen@xxxxxxxxxx>
    Reviewed-by: Sergey Senozhatsky <senozhatsky@xxxxxxxxxxxx>
    Acked-by: Namjae Jeon <linkinjeon@xxxxxxxxxx>
    Signed-off-by: Steve French <stfrench@xxxxxxxxxxxxx>
    Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>

diff --git a/fs/smb/server/server.c b/fs/smb/server/server.c
index 9804cabe72a84..0c0db2e614ef6 100644
--- a/fs/smb/server/server.c
+++ b/fs/smb/server/server.c
@@ -442,11 +442,9 @@ static ssize_t stats_show(struct class *class, struct class_attribute *attr,
 		"reset",
 		"shutdown"
 	};
-
-	ssize_t sz = scnprintf(buf, PAGE_SIZE, "%d %s %d %lu\n", stats_version,
-			       state[server_conf.state], server_conf.tcp_port,
-			       server_conf.ipc_last_active / HZ);
-	return sz;
+	return sysfs_emit(buf, "%d %s %d %lu\n", stats_version,
+			  state[server_conf.state], server_conf.tcp_port,
+			  server_conf.ipc_last_active / HZ);
 }
 
 static ssize_t kill_server_store(struct class *class,
@@ -478,19 +476,13 @@ static ssize_t debug_show(struct class *class, struct class_attribute *attr,
 
 	for (i = 0; i < ARRAY_SIZE(debug_type_strings); i++) {
 		if ((ksmbd_debug_types >> i) & 1) {
-			pos = scnprintf(buf + sz,
-					PAGE_SIZE - sz,
-					"[%s] ",
-					debug_type_strings[i]);
+			pos = sysfs_emit_at(buf, sz, "[%s] ", debug_type_strings[i]);
 		} else {
-			pos = scnprintf(buf + sz,
-					PAGE_SIZE - sz,
-					"%s ",
-					debug_type_strings[i]);
+			pos = sysfs_emit_at(buf, sz, "%s ", debug_type_strings[i]);
 		}
 		sz += pos;
 	}
-	sz += scnprintf(buf + sz, PAGE_SIZE - sz, "\n");
+	sz += sysfs_emit_at(buf, sz, "\n");
 	return sz;
 }