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-rw-r--r--kernel/liveupdate/luo_session.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/kernel/liveupdate/luo_session.c b/kernel/liveupdate/luo_session.c
index 5c6cebc6e326..47566db64598 100644
--- a/kernel/liveupdate/luo_session.c
+++ b/kernel/liveupdate/luo_session.c
@@ -291,10 +291,11 @@ static int luo_session_retrieve_fd(struct luo_session *session,
if (argp->fd < 0)
return argp->fd;
- guard(mutex)(&session->mutex);
+ mutex_lock(&session->mutex);
err = luo_retrieve_file(&session->file_set, argp->token, &file);
+ mutex_unlock(&session->mutex);
if (err < 0)
- goto err_put_fd;
+ goto err_put_fd;
err = luo_ucmd_respond(ucmd, sizeof(*argp));
if (err)