From bd00fb13663560fa1a204ae8d324a603370e19ff Mon Sep 17 00:00:00 2001 From: Jacob Garber Date: Tue, 23 Jul 2019 15:45:20 -0600 Subject: soc/nvidia/tegra210: Add null pointer check Check that tx is not null before accessing it, similar to the previous if statements. Change-Id: I820cb670026bb12a54c63227aa04e778fd49c66a Signed-off-by: Jacob Garber Found-by: Coverity CID 1294805 Reviewed-on: https://review.coreboot.org/c/coreboot/+/34530 Tested-by: build bot (Jenkins) Reviewed-by: Julius Werner Reviewed-by: Paul Menzel --- src/soc/nvidia/tegra210/dsi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'src/soc/nvidia/tegra210') diff --git a/src/soc/nvidia/tegra210/dsi.c b/src/soc/nvidia/tegra210/dsi.c index ae20d44d16..a383ff208c 100644 --- a/src/soc/nvidia/tegra210/dsi.c +++ b/src/soc/nvidia/tegra210/dsi.c @@ -769,7 +769,7 @@ static ssize_t tegra_dsi_host_transfer(struct mipi_dsi_host *host, tegra_dsi_writel(dsi, value, DSI_WR_DATA); /* write payload (if any) */ - if (msg->tx_len > 2) { + if (tx && msg->tx_len > 2) { for (j = 2; j < msg->tx_len; j += 4) { value = 0; -- cgit v1.2.3