keymgr: fix possible NULL dereference when parsing import-key params (clang analyzer)

diff --git a/src/utils/keymgr/functions.c b/src/utils/keymgr/functions.c
index 7276a93bf4fe7984ea5963cd8ac848c7a731a8ba..f60e497a186866bb92850fc2d2e95b1818e569c0 100644 (file)
--- a/src/utils/keymgr/functions.c
+++ b/src/utils/keymgr/functions.c
@@ -180,7 +180,7 @@ static bool genkeyargs(int argc, char *argv[], bool just_timing,
                                ERR2("invalid size: '%s'", argv[i] + 5);
                                return false;
                        }
-               } else if (!just_timing && same_command(argv[i], "addtopolicy=", true)) {
+               } else if (!just_timing && same_command(argv[i], "addtopolicy=", true) && addtopolicy != NULL) {
                        *addtopolicy = argv[i] + 12;
                } else if (same_command_bool(argv[i], "ksk", &res)) {
                        bitmap_set(flags, DNSKEY_GENERATE_KSK, res);