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HID: uhid: Fix returning EPOLLOUT from uhid_char_poll
commitbe54e7461f
upstream. Always return EPOLLOUT from uhid_char_poll to allow polling /dev/uhid for writable state. Fixes:1f9dec1e01
("HID: uhid: allow poll()'ing on uhid devices") Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Cc: stable@vger.kernel.org Signed-off-by: Jiri Kosina <jkosina@suse.cz> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -772,7 +772,7 @@ static __poll_t uhid_char_poll(struct file *file, poll_table *wait)
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if (uhid->head != uhid->tail)
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return EPOLLIN | EPOLLRDNORM;
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return 0;
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return EPOLLOUT | EPOLLWRNORM;
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}
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static const struct file_operations uhid_fops = {
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