[PATCH 11/16] board: stm32mp1: check env_get result in board_late_init

[Patrick Delaunay]

This patch avoids crash in strcmp when the boot_device is not
present in environment (this case should be never occur)

Signed-off-by: Patrick Delaunay <patrick.delau...@st.com>
---

 board/st/stm32mp1/stm32mp1.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/board/st/stm32mp1/stm32mp1.c b/board/st/stm32mp1/stm32mp1.c
index 89a088cd28..fff4cef2c2 100644
--- a/board/st/stm32mp1/stm32mp1.c
+++ b/board/st/stm32mp1/stm32mp1.c
@@ -753,7 +753,8 @@ int board_late_init(void)
 
        /* Check the boot-source to disable bootdelay */
        boot_device = env_get("boot_device");
-       if (!strcmp(boot_device, "serial") || !strcmp(boot_device, "usb"))
+       if (boot_device &&
+           (!strcmp(boot_device, "serial") || !strcmp(boot_device, "usb")))
                env_set("bootdelay", "0");
 
        return 0;
-- 
2.17.1