diff options
-rw-r--r-- | sys/compat/linux/linux_event.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/sys/compat/linux/linux_event.c b/sys/compat/linux/linux_event.c index a089d43..8d704aa 100644 --- a/sys/compat/linux/linux_event.c +++ b/sys/compat/linux/linux_event.c @@ -748,6 +748,8 @@ retry: if (UINT64_MAX - efd->efd_count <= count) { if ((efd->efd_flags & LINUX_O_NONBLOCK) != 0) { mtx_unlock(&efd->efd_lock); + /* Do not not return the number of bytes written */ + uio->uio_resid += sizeof(eventfd_t); return (EAGAIN); } error = mtx_sleep(&efd->efd_count, &efd->efd_lock, |