When we read the NVM authentication status or unsetting the inbound SBTX there is no point to continue the loop after first access to a retimer fails because there won't be any more retimers after this anyway so bail out from the loops early. Signed-off-by: Mika Westerberg <mika.westerberg@xxxxxxxxxxxxxxx> --- drivers/thunderbolt/retimer.c | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-) diff --git a/drivers/thunderbolt/retimer.c b/drivers/thunderbolt/retimer.c index 6bb49bdcd6c1..6eaaa5074ce8 100644 --- a/drivers/thunderbolt/retimer.c +++ b/drivers/thunderbolt/retimer.c @@ -199,8 +199,10 @@ static void tb_retimer_nvm_authenticate_status(struct tb_port *port, u32 *status * If the retimer has it set, store it for the new retimer * device instance. */ - for (i = 1; i <= TB_MAX_RETIMER_INDEX; i++) - usb4_port_retimer_nvm_authenticate_status(port, i, &status[i]); + for (i = 1; i <= TB_MAX_RETIMER_INDEX; i++) { + if (usb4_port_retimer_nvm_authenticate_status(port, i, &status[i])) + break; + } } static void tb_retimer_set_inbound_sbtx(struct tb_port *port) @@ -234,8 +236,10 @@ static void tb_retimer_unset_inbound_sbtx(struct tb_port *port) tb_port_dbg(port, "disabling sideband transactions\n"); - for (i = TB_MAX_RETIMER_INDEX; i >= 1; i--) - usb4_port_retimer_unset_inbound_sbtx(port, i); + for (i = TB_MAX_RETIMER_INDEX; i >= 1; i--) { + if (usb4_port_retimer_unset_inbound_sbtx(port, i)) + break; + } } static ssize_t nvm_authenticate_store(struct device *dev, -- 2.43.0