Messages in this thread Patch in this message | | | From | Greg Kroah-Hartman <> | Subject | [PATCH 13/19] vcs: make proper usage of the poll flags | Date | Fri, 12 Nov 2010 13:41:00 -0800 |
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From: Nicolas Pitre <nicolas.pitre@canonical.com>
Kay Sievers pointed out that usage of POLLIN is well defined by POSIX, and the current usage here doesn't follow that definition. So let's duplicate the same semantics as implemented by sysfs_poll() instead.
Signed-off-by: Nicolas Pitre <nicolas.pitre@canonical.com> Acked-by: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> --- drivers/tty/vt/vc_screen.c | 6 +++--- 1 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/tty/vt/vc_screen.c b/drivers/tty/vt/vc_screen.c index 273ab44..eab3a1f 100644 --- a/drivers/tty/vt/vc_screen.c +++ b/drivers/tty/vt/vc_screen.c @@ -553,12 +553,12 @@ static unsigned int vcs_poll(struct file *file, poll_table *wait) { struct vcs_poll_data *poll = vcs_poll_data_get(file); - int ret = 0; + int ret = DEFAULT_POLLMASK|POLLERR|POLLPRI; if (poll) { poll_wait(file, &poll->waitq, wait); - if (!poll->seen_last_update) - ret = POLLIN | POLLRDNORM; + if (poll->seen_last_update) + ret = DEFAULT_POLLMASK; } return ret; } -- 1.7.1
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