diff options
| -rw-r--r-- | sys/kern/subr_kdb.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/sys/kern/subr_kdb.c b/sys/kern/subr_kdb.c index 467d217..1c91deb 100644 --- a/sys/kern/subr_kdb.c +++ b/sys/kern/subr_kdb.c @@ -104,8 +104,11 @@ kdb_sysctl_current(SYSCTL_HANDLER_ARGS) struct kdb_dbbe *be, **iter; int error; - strncpy(buf, kdb_dbbe->dbbe_name, sizeof(buf)); - buf[sizeof(buf) - 1] = '\0'; + if (kdb_dbbe != NULL) { + strncpy(buf, kdb_dbbe->dbbe_name, sizeof(buf)); + buf[sizeof(buf) - 1] = '\0'; + } else + *buf = '\0'; error = sysctl_handle_string(oidp, buf, sizeof(buf), req); if (error != 0 || req->newptr == NULL) return (error); |
