[PATCH 08/31] mkimage: Correct checking of configuration node

[Simon Glass]

This returns a negative value on error. Update the logic to detect this
and avoid a segfault when the node is not found.

Signed-off-by: Simon Glass <s...@chromium.org>
---

 tools/image-host.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/tools/image-host.c b/tools/image-host.c
index 4a24dee8153c..e4e44e33badd 100644
--- a/tools/image-host.c
+++ b/tools/image-host.c
@@ -1336,8 +1336,10 @@ int fit_check_sign(const void *fit, const void *key,
        int ret;
 
        cfg_noffset = fit_conf_get_node(fit, fit_uname_config);
-       if (!cfg_noffset)
+       if (cfg_noffset < 0) {
+               fprintf(stderr, "Configuration node not found\n");
                return -1;
+       }
 
        printf("Verifying Hash Integrity for node '%s'... ",
               fdt_get_name(fit, cfg_noffset, NULL));
-- 
2.40.0.634.g4ca3ef3211-goog