From 1cb52ea9b9ce97042d48061c11c574f693ba7d86 Mon Sep 17 00:00:00 2001 From: Maria Yu Date: Tue, 7 Dec 2021 10:07:54 +0800 Subject: [PATCH] rpmsg: glink: multi enter for unregister path Support multi enter for unregister path. Change-Id: I3dd37604e740582ee851c208a4c67fe08f20d83f Signed-off-by: Maria Yu [quic_clew@quicinc.com: This is a work around until remoteproc resolves a race where unregister is called from multiple contexts] Signed-off-by: Chris Lew --- drivers/rpmsg/qcom_glink_smem.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/rpmsg/qcom_glink_smem.c b/drivers/rpmsg/qcom_glink_smem.c index 0df41abc5233..e7a982f7c3e8 100644 --- a/drivers/rpmsg/qcom_glink_smem.c +++ b/drivers/rpmsg/qcom_glink_smem.c @@ -317,6 +317,9 @@ EXPORT_SYMBOL(qcom_glink_smem_start); void qcom_glink_smem_unregister(struct qcom_glink *glink) { + if (!glink) + return; + qcom_glink_native_remove(glink); qcom_glink_native_unregister(glink); }