[PATCH] staging: iio: fix compile error

[Arnd Hannemann]

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.

Signed-off-by: Arnd Hannemann <arnd@xxxxxxxxxx>
---
 drivers/staging/iio/industrialio-core.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

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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