diff options
Diffstat (limited to 'sys/kern/kern_ktrace.c')
| -rw-r--r-- | sys/kern/kern_ktrace.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/sys/kern/kern_ktrace.c b/sys/kern/kern_ktrace.c index 7d2e75a..2d3b08d 100644 --- a/sys/kern/kern_ktrace.c +++ b/sys/kern/kern_ktrace.c @@ -278,6 +278,7 @@ ktrace(curp, uap) * Clear all uses of the tracefile */ if (ops == KTROP_CLEARFILE) { + lockmgr(&allproc_lock, LK_SHARED, NULL, CURPROC); LIST_FOREACH(p, &allproc, p_list) { if (p->p_tracep == vp) { if (ktrcanset(curp, p)) { @@ -289,6 +290,7 @@ ktrace(curp, uap) error = EPERM; } } + lockmgr(&allproc_lock, LK_RELEASE, NULL, CURPROC); goto done; } /* @@ -494,6 +496,7 @@ ktrwrite(vp, kth, uio) */ log(LOG_NOTICE, "ktrace write failed, errno %d, tracing stopped\n", error); + lockmgr(&allproc_lock, LK_SHARED, NULL, CURPROC); LIST_FOREACH(p, &allproc, p_list) { if (p->p_tracep == vp) { p->p_tracep = NULL; @@ -501,6 +504,7 @@ ktrwrite(vp, kth, uio) vrele(vp); } } + lockmgr(&allproc_lock, LK_RELEASE, NULL, CURPROC); } /* |
