diff mbox series

Input: uinput - Fix returning EPOLLOUT from uinput_poll

Message ID 20191204025014.5189-1-marcel@holtmann.org (mailing list archive)
State Mainlined
Commit d4b675e1b5272149d4c6fac6870df6ebdbd8be82
Headers show
Series Input: uinput - Fix returning EPOLLOUT from uinput_poll | expand

Commit Message

Marcel Holtmann Dec. 4, 2019, 2:50 a.m. UTC 
Always return EPOLLOUT from uinput_poll to allow polling /dev/uinput
for writable state.

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Cc: stable@vger.kernel.org
---
 drivers/input/misc/uinput.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

Dmitry Torokhov Dec. 5, 2019, 1:27 a.m. UTC | #1 
On Wed, Dec 04, 2019 at 03:50:14AM +0100, Marcel Holtmann wrote:
> Always return EPOLLOUT from uinput_poll to allow polling /dev/uinput
> for writable state.
> 
> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
> Cc: stable@vger.kernel.org

Applied, thank you.

> ---
>  drivers/input/misc/uinput.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/input/misc/uinput.c b/drivers/input/misc/uinput.c
> index 84051f20b18a..fd253781be71 100644
> --- a/drivers/input/misc/uinput.c
> +++ b/drivers/input/misc/uinput.c
> @@ -695,7 +695,7 @@ static __poll_t uinput_poll(struct file *file, poll_table *wait)
>  	if (udev->head != udev->tail)
>  		return EPOLLIN | EPOLLRDNORM;
>  
> -	return 0;
> +	return EPOLLOUT | EPOLLWRNORM;
>  }
>  
>  static int uinput_release(struct inode *inode, struct file *file)
> -- 
> 2.23.0
>
diff mbox series

Patch

diff --git a/drivers/input/misc/uinput.c b/drivers/input/misc/uinput.c
index 84051f20b18a..fd253781be71 100644
--- a/drivers/input/misc/uinput.c
+++ b/drivers/input/misc/uinput.c
@@ -695,7 +695,7 @@  static __poll_t uinput_poll(struct file *file, poll_table *wait)
 	if (udev->head != udev->tail)
 		return EPOLLIN | EPOLLRDNORM;
 
-	return 0;
+	return EPOLLOUT | EPOLLWRNORM;
 }
 
 static int uinput_release(struct inode *inode, struct file *file)