msm: ipa: resolve potential qmi deadlock issue



Inside the QMI callback function, if we need to send
QMI indication, we should use "qmi_send_ind_from_cb"
instead of "qmi_send_ind" to avoid double mutex_lock
which causes the deadlock issue.

Change-Id: I31252fa2ff7b6aaf8bdeb918929ed4d1d83590e5
Signed-off-by: Skylar Chang <chiaweic@codeaurora.org>

parent a9ada1a5

drivers/platform/msm/ipa/ipa_qmi_service.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -110,7 +110,7 @@ static int handle_indication_req(void req_h, void req)
		ipa_master_driver_init_complt_ind_msg_v01));
		ind.master_driver_init_status.result =
		IPA_QMI_RESULT_SUCCESS_V01;
		rc = qmi_send_ind(ipa_svc_handle, curr_conn,
		rc = qmi_send_ind_from_cb(ipa_svc_handle, curr_conn,
		&ipa_master_driver_complete_indication_desc,
		&ind,
		sizeof(ind));