Commit fab794ae authored Apr 13, 2016 by Dan Carpenter Committed by Greg Kroah-Hartman Apr 30, 2016

tty: hvc_console: silence unintialized variable warning



If ->get_char() returns a negative error code and that can mean that
"ch" is uninitialized.  The callers of this function expect NO_POLL_CHAR
on error so let's return that.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

parent 42331433

drivers/tty/hvc/hvc_console.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -814,7 +814,7 @@ static int hvc_poll_get_char(struct tty_driver *driver, int line)

		n = hp->ops->get_chars(hp->vtermno, &ch, 1);

		if (n == 0)
		if (n <= 0)
		return NO_POLL_CHAR;

		return ch;