Almost all spi drivers assign spi master->dev.of_node from its parent platform device without additional refcounting. It seems of_node_get() in pic32_spi_probe() is unnecessary and there is no corresponding of_node_put(). Found by Linux Driver Verification project (linuxtesting.org). Signed-off-by: Alexey Khoroshilov <khoroshilov@xxxxxxxxx> --- drivers/spi/spi-pic32.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/spi/spi-pic32.c b/drivers/spi/spi-pic32.c index f8a45af1fa9f..46ff76193ee1 100644 --- a/drivers/spi/spi-pic32.c +++ b/drivers/spi/spi-pic32.c @@ -774,7 +774,7 @@ static int pic32_spi_probe(struct platform_device *pdev) if (ret) goto err_master; - master->dev.of_node = of_node_get(pdev->dev.of_node); + master->dev.of_node = pdev->dev.of_node; master->mode_bits = SPI_MODE_3 | SPI_MODE_0 | SPI_CS_HIGH; master->num_chipselect = 1; /* single chip-select */ master->max_speed_hz = clk_get_rate(pic32s->clk); -- 2.7.4