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smb/server: warn if ksmbd_proc_create() fails

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Print a warning if the sessions procfs entry cannot be created.

Signed-off-by: Ze Tan <tanze@kylinos.cn>
Reviewed-by: ChenXiaoSong <chenxiaosong@kylinos.cn>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
This commit is contained in:
Ze Tan 2026-08-14 13:51:41 +00:00 committed by Namjae Jeon
parent 79decd88dd
commit 9a74739026
4 changed files with 16 additions and 6 deletions
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3
fs/smb/server/connection.c
View File

@ -787,7 +787,8 @@ int ksmbd_conn_transport_init(void)
}
out:
mutex_unlock(&init_lock);
create_proc_clients();
if (create_proc_clients())
pr_warn("Unable to create clients procfs entry\n");
return ret;
}

5
fs/smb/server/mgmt/user_session.c
View File

@ -204,6 +204,8 @@ static int create_proc_session(struct ksmbd_session *sess)
snprintf(name, sizeof(name), "sessions/%llu", sess->id);
sess->proc_entry = ksmbd_proc_create(name,
show_proc_session, sess);
if (!sess->proc_entry)
return -ENOMEM;
return 0;
}
@ -729,7 +731,8 @@ static struct ksmbd_session *__session_create(int protocol)
hash_add(sessions_table, &sess->hlist, sess->id);
up_write(&sessions_table_lock);
create_proc_session(sess);
if (create_proc_session(sess))
pr_warn_ratelimited("Unable to create session %llu procfs entry\n", sess->id);
ksmbd_counter_inc(KSMBD_COUNTER_SESSIONS);
return sess;

8
fs/smb/server/server.c
View File

@ -663,8 +663,12 @@ static int __init ksmbd_server_init(void)
ret = ksmbd_proc_init();
if (ret)
goto err_unregister;
create_proc_sessions();
create_proc_shares();
if (create_proc_sessions())
pr_warn("Unable to create sessions procfs entry\n");
if (create_proc_shares())
pr_warn("Unable to create shares procfs entry\n");
ksmbd_server_tcp_callbacks_init();

6
fs/smb/server/vfs_cache.c
View File

@ -180,7 +180,8 @@ static int proc_show_files(struct seq_file *m, void *v)
static int create_proc_files(void)
{
ksmbd_proc_create("files", proc_show_files, NULL);
if (!ksmbd_proc_create("files", proc_show_files, NULL))
return -ENOMEM;
return 0;
}
#else
@ -1828,7 +1829,8 @@ void ksmbd_close_session_fds(struct ksmbd_work *work)
int ksmbd_init_global_file_table(void)
{
create_proc_files();
if (create_proc_files())
pr_warn("Unable to create files procfs entry\n");
return ksmbd_init_file_table(&global_ft);
}