Add support to ignore read characters if CREAD flag is not set.
Signed-off-by: NShardar Shariff Md <smohammed@nvidia.com>
Signed-off-by: NKrishna Yarlagadda <kyarlagadda@nvidia.com>
Link: https://lore.kernel.org/r/1567572187-29820-2-git-send-email-kyarlagadda@nvidia.comSigned-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>