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path: root/drivers/soundwire/qcom.c
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Diffstat (limited to 'drivers/soundwire/qcom.c')
-rw-r--r--drivers/soundwire/qcom.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/soundwire/qcom.c b/drivers/soundwire/qcom.c
index 79bebcecde6d..c296e0bf897b 100644
--- a/drivers/soundwire/qcom.c
+++ b/drivers/soundwire/qcom.c
@@ -1218,6 +1218,9 @@ static int qcom_swrm_get_port_config(struct qcom_swrm_ctrl *ctrl)
ctrl->num_dout_ports = val;
nports = ctrl->num_dout_ports + ctrl->num_din_ports;
+ if (nports > QCOM_SDW_MAX_PORTS)
+ return -EINVAL;
+
/* Valid port numbers are from 1-14, so mask out port 0 explicitly */
set_bit(0, &ctrl->dout_port_mask);
set_bit(0, &ctrl->din_port_mask);