From: Oscar Gomez Fuente <oscargomezf@xxxxxxxxx>
->poll() functions should return __poll_t, but the fieldbus
core's poll() does not. This generates a sparse warning.
Fix the ->poll() return value, and use recommended __poll_t
constants (EPOLLxxx).
Signed-off-by: Oscar Gomez Fuente <oscargomezf@xxxxxxxxx>
---
drivers/staging/fieldbus/dev_core.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/staging/fieldbus/dev_core.c b/drivers/staging/fieldbus/dev_core.c
index 60b85140675a..f6f5b92ba914 100644
--- a/drivers/staging/fieldbus/dev_core.c
+++ b/drivers/staging/fieldbus/dev_core.c
@@ -211,16 +211,16 @@ static ssize_t fieldbus_write(struct file *filp, const char __user *buf,
return fbdev->write_area(fbdev, buf, size, offset);
}
-static unsigned int fieldbus_poll(struct file *filp, poll_table *wait)
+static __poll_t fieldbus_poll(struct file *filp, poll_table *wait)
{
struct fb_open_file *of = filp->private_data;
struct fieldbus_dev *fbdev = of->fbdev;
- unsigned int mask = POLLIN | POLLRDNORM | POLLOUT | POLLWRNORM;
+ __poll_t mask = EPOLLIN | EPOLLRDNORM | EPOLLOUT | EPOLLWRNORM;
poll_wait(filp, &fbdev->dc_wq, wait);
/* data changed ? */
if (fbdev->dc_event != of->dc_event)
- mask |= POLLPRI | POLLERR;
+ mask |= EPOLLPRI | EPOLLERR;
return mask;
}
--
2.17.1
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