diff options
Diffstat (limited to 'sys/kern')
| -rw-r--r-- | sys/kern/sys_pipe.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/sys/kern/sys_pipe.c b/sys/kern/sys_pipe.c index f3c3c0e..9ee4fde 100644 --- a/sys/kern/sys_pipe.c +++ b/sys/kern/sys_pipe.c @@ -1293,13 +1293,13 @@ pipe_write(fp, uio, active_cred, flags, td) } /* - * Don't return EPIPE if I/O was successful + * Don't return EPIPE if any byte was written. + * EINTR and other interrupts are handled by generic I/O layer. + * Do not pretend that I/O succeeded for obvious user error + * like EFAULT. */ - if ((wpipe->pipe_buffer.cnt == 0) && - (uio->uio_resid == 0) && - (error == EPIPE)) { + if (uio->uio_resid != orig_resid && error == EPIPE) error = 0; - } if (error == 0) vfs_timestamp(&wpipe->pipe_mtime); |
