Merge "spi: spi-geni-qcom: Check for zero length transfer" (3ac5a560) · Commits · e / devices / android_kernel_fairphone_FP4

drivers/spi/spi-geni-qcom.c

+6 −0

Original line number	Diff line number	Diff line
		@@ -1149,6 +1149,12 @@ static int spi_geni_transfer_one(struct spi_master *spi,
		return -EINVAL;
		}

		/* Check for zero length transfer */
		if (xfer->len < 1) {
		dev_err(mas->dev, "Zero length transfer\n");
		return -EINVAL;
		}

		if (mas->cur_xfer_mode != GSI_DMA) {
		reinit_completion(&mas->xfer_done);
		setup_fifo_xfer(xfer, mas, slv->mode, spi);