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net: lwm2m: Add missing NULL pointer check in shell

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In case lwm2m_get_engine_obj_field() fails to find a corresponding
object field when iterating resource instances, simply skip that
resource instance when printing object instance contents.

Signed-off-by: Robert Lubos <robert.lubos@nordicsemi.no>
This commit is contained in:
Robert Lubos 2024-11-26 13:54:25 +01:00 • committed by Fabio Baltieri
commit 35820f23f6
1 changed files with 4 additions and 0 deletions
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4
subsys/net/lib/lwm2m/lwm2m_shell.c
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@ -735,6 +735,10 @@ static int print_object_instance(const struct shell *sh, struct lwm2m_engine_obj
lwm2m_get_engine_obj_field(obj, re->res_id);
char path[LWM2M_MAX_PATH_STR_SIZE];
if (field == NULL) {
continue;
}
if (re->multi_res_inst) {
snprintf(path, sizeof(path), "%hu/%hu/%hu/%hu", obj->obj_id,
oi->obj_inst_id, re->res_id, ri->res_inst_id);