linux-kernel - Re: [PATCH] fix build error of function iio_event

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Date:	Sat, 26 Nov 2011 09:19:34 +0000
From:	Jonathan Cameron <jic23@....ac.uk>
To:	Hui Zhu <teawater@...il.com>, Greg Kroah-Hartman <gregkh@...e.de>,
	Michael Hennerich <michael.hennerich@...log.com>,
	linux-iio@...r.kernel.org, devel@...verdev.osuosl.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] fix build error of function iio_event_getfd

Thanks but this is 7th fix I have seen.

Hui Zhu <teawater@...il.com> wrote:

>Got a build error:
>  CC [M]  drivers/staging/iio/industrialio-core.o
>/home/teawater/kernel2/linux/drivers/staging/iio/industrialio-core.c:
>In function ‘iio_event_getfd’:
>/home/teawater/kernel2/linux/drivers/staging/iio/industrialio-core.c:262:32:
>error: ‘ev_int’ undeclared (first use in this function)
>/home/teawater/kernel2/linux/drivers/staging/iio/industrialio-core.c:262:32:
>note: each undeclared identifier is reported only once for each
>function it appears in
>Not sure it is fixed or not.
>Post a patch for it.
>
>Signed-off-by: Hui Zhu <teawater@...il.com>
>---
> drivers/staging/iio/industrialio-core.c |    1 +
> 1 file changed, 1 insertion(+)
>
>--- a/drivers/staging/iio/industrialio-core.c
>+++ b/drivers/staging/iio/industrialio-core.c
>@@ -243,6 +243,7 @@ static const struct file_operations iio_
> static int iio_event_getfd(struct iio_dev *indio_dev)
> {
> 	int fd;
>+	struct iio_event_interface *ev_int = indio_dev->event_interface;
>
> 	if (indio_dev->event_interface == NULL)
> 		return -ENODEV;

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