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Input: serio_raw - really signal HUP upon disconnect

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Commit 8c1c10d570 attempted to signal
POLLHUP | POLLERR condition when polling disconnected device,
unfortunately it did not do it quite correctly.

Reported-by: Che-Liang Chiou <clchiou@chromium.org>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
This commit is contained in:
Dmitry Torokhov 2012-01-10 00:45:12 -08:00
parent d89c9bcb33
commit 0c62fbf600
1 changed files with 2 additions and 2 deletions
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4
drivers/input/serio/serio_raw.c
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@ -237,9 +237,9 @@ static unsigned int serio_raw_poll(struct file *file, poll_table *wait)
mask = serio_raw->dead ? POLLHUP | POLLERR : POLLOUT | POLLWRNORM;
if (serio_raw->head != serio_raw->tail)
return POLLIN | POLLRDNORM;
mask |= POLLIN | POLLRDNORM;
return 0;
return mask;
}
static const struct file_operations serio_raw_fops = {