Messages in this thread Patch in this message | | | From | Srinivas Kandagatla <> | Subject | [PATCH 1/2] tty: serial: qcom-geni-serial: check correct dma address before unprep | Date | Tue, 7 Mar 2023 15:55:41 +0000 |
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looks like there was a typo while checking validatity of tx_dma_addr, the code was checking rx instead of tx. This can potentially lead to memory leak, this patch fixes the typo.
Fixes: 2aaa43c70778 ("tty: serial: qcom-geni-serial: add support for serial engine DMA") Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> Reviewed-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org> --- drivers/tty/serial/qcom_geni_serial.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/tty/serial/qcom_geni_serial.c b/drivers/tty/serial/qcom_geni_serial.c index d69592e5e2ec..5972b5c317d3 100644 --- a/drivers/tty/serial/qcom_geni_serial.c +++ b/drivers/tty/serial/qcom_geni_serial.c @@ -596,7 +596,7 @@ static void qcom_geni_serial_stop_tx_dma(struct uart_port *uport) if (!qcom_geni_serial_main_active(uport)) return; - if (port->rx_dma_addr) { + if (port->tx_dma_addr) { geni_se_tx_dma_unprep(&port->se, port->tx_dma_addr, port->tx_remaining); port->tx_dma_addr = 0; -- 2.21.0
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