linux-kernel - Re: [PATCH] staging: iio: fix compile error

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Date:	Fri, 25 Nov 2011 09:33:31 +0000
From:	Al Viro <viro@...IV.linux.org.uk>
To:	Arnd Hannemann <arnd@...dnet.de>
Cc:	linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] staging: iio: fix compile error

On Thu, Nov 24, 2011 at 10:25:50PM +0100, Arnd Hannemann wrote:
> Commit b46413367961c2e8bd827e067a231be982aaeee2 introduced the following compile error:
> 
>   CC      drivers/staging/iio/industrialio-core.o
> linux-2.6/drivers/staging/iio/industrialio-core.c: In function 'iio_event_getfd':
> linux-2.6/drivers/staging/iio/industrialio-core.c:262:32: error: 'ev_int' undeclared (first use in this function)
> linux-2.6/drivers/staging/iio/industrialio-core.c:262:32: note: each undeclared identifier is reported only once for each function it appears in
> 
> This patch fixes that.

Arrgh...  My fault, sorry.  Might be worth using the same local variable
for setting the bit as well...

Acked-by: Al Viro <viro@...iv.linux.org.uk>

> diff --git a/drivers/staging/iio/industrialio-core.c b/drivers/staging/iio/industrialio-core.c
> index 2656409..a5b4a1f 100644
> --- a/drivers/staging/iio/industrialio-core.c
> +++ b/drivers/staging/iio/industrialio-core.c
> @@ -243,6 +243,7 @@ static const struct file_operations iio_event_chrdev_fileops = {
>  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;
> -- 
> 1.7.5.4
> 
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