diff options
Diffstat (limited to 'sys/kern/subr_witness.c')
-rw-r--r-- | sys/kern/subr_witness.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/sys/kern/subr_witness.c b/sys/kern/subr_witness.c index 3fec4c420b2f..e1c00fe1e167 100644 --- a/sys/kern/subr_witness.c +++ b/sys/kern/subr_witness.c @@ -2544,6 +2544,10 @@ sysctl_debug_witness_fullgraph(SYSCTL_HANDLER_ARGS) return (error); } error = 0; + + error = sysctl_wire_old_buffer(req, 0); + if (error != 0) + return (error); sb = sbuf_new_for_sysctl(NULL, NULL, FULLGRAPH_SBUF_SIZE, req); if (sb == NULL) return (ENOMEM); |