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NULL ->ioctl() in tty_operations is treated as "returns -ENOIOCTLCMD"... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
NULL ->ioctl() in tty_operations is treated as "returns -ENOIOCTLCMD"... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>