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authorJacob Garber <jgarber1@ualberta.ca>2019-07-23 15:45:20 -0600
committerPatrick Georgi <pgeorgi@google.com>2019-07-25 16:04:08 +0000
commitbd00fb13663560fa1a204ae8d324a603370e19ff (patch)
tree9f1df9f2b2b7073ac14783f138f73d7247b35e11 /src/soc/nvidia
parente24585c834598720cd925592ffd80af6e9f74f83 (diff)
downloadcoreboot-bd00fb13663560fa1a204ae8d324a603370e19ff.tar.xz
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 <jgarber1@ualberta.ca> Found-by: Coverity CID 1294805 Reviewed-on: https://review.coreboot.org/c/coreboot/+/34530 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Julius Werner <jwerner@chromium.org> Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Diffstat (limited to 'src/soc/nvidia')
-rw-r--r--src/soc/nvidia/tegra210/dsi.c2
1 files changed, 1 insertions, 1 deletions
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;