From aaa0b4f00729d5530b7d983930e60255574b347b Mon Sep 17 00:00:00 2001 From: Andy Whitcroft Date: Fri, 25 Nov 2011 10:56:22 +0000 Subject: [PATCH] iio: iio_event_getfd -- fix ev_int build failure Fix build failure in staging iio driver: .../drivers/staging/iio/industrialio-core.c: In function 'iio_event_getfd': .../drivers/staging/iio/industrialio-core.c:262:32: error: 'ev_int' undeclared (first use in this function) Also convert the rest of the function to use the new variable. Signed-off-by: Andy Whitcroft Signed-off-by: Linus Torvalds --- drivers/staging/iio/industrialio-core.c | 19 +++++++++---------- 1 file changed, 9 insertions(+), 10 deletions(-) diff --git a/drivers/staging/iio/industrialio-core.c b/drivers/staging/iio/industrialio-core.c index 26564094e33b..aec9311b108c 100644 --- a/drivers/staging/iio/industrialio-core.c +++ b/drivers/staging/iio/industrialio-core.c @@ -242,25 +242,24 @@ static const struct file_operations iio_event_chrdev_fileops = { static int iio_event_getfd(struct iio_dev *indio_dev) { + struct iio_event_interface *ev_int = indio_dev->event_interface; int fd; - if (indio_dev->event_interface == NULL) + if (ev_int == NULL) return -ENODEV; - mutex_lock(&indio_dev->event_interface->event_list_lock); - if (test_and_set_bit(IIO_BUSY_BIT_POS, - &indio_dev->event_interface->flags)) { - mutex_unlock(&indio_dev->event_interface->event_list_lock); + mutex_lock(&ev_int->event_list_lock); + if (test_and_set_bit(IIO_BUSY_BIT_POS, &ev_int->flags)) { + mutex_unlock(&ev_int->event_list_lock); return -EBUSY; } - mutex_unlock(&indio_dev->event_interface->event_list_lock); + mutex_unlock(&ev_int->event_list_lock); fd = anon_inode_getfd("iio:event", - &iio_event_chrdev_fileops, - indio_dev->event_interface, O_RDONLY); + &iio_event_chrdev_fileops, ev_int, O_RDONLY); if (fd < 0) { - mutex_lock(&indio_dev->event_interface->event_list_lock); + mutex_lock(&ev_int->event_list_lock); clear_bit(IIO_BUSY_BIT_POS, &ev_int->flags); - mutex_unlock(&indio_dev->event_interface->event_list_lock); + mutex_unlock(&ev_int->event_list_lock); } return fd; } -- 2.20.1