diff options
Diffstat (limited to 'sys/kern/kern_exec.c')
| -rw-r--r-- | sys/kern/kern_exec.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/sys/kern/kern_exec.c b/sys/kern/kern_exec.c index 670d5dddd117..3fe2ab367b7f 100644 --- a/sys/kern/kern_exec.c +++ b/sys/kern/kern_exec.c @@ -281,13 +281,16 @@ interpret: * For security and other reasons, the file descriptor table cannot * be shared after an exec. */ + FILEDESC_LOCK(p->p_fd); if (p->p_fd->fd_refcnt > 1) { struct filedesc *tmp; tmp = fdcopy(td); + FILEDESC_UNLOCK(p->p_fd); fdfree(td); p->p_fd = tmp; - } + } else + FILEDESC_UNLOCK(p->p_fd); /* * For security and other reasons, signal handlers cannot |