* [PATCH] Input: Add check for grabbed device before flushing the device
@ 2014-12-30 5:32 Anshul, Garg
0 siblings, 0 replies; 2+ messages in thread
From: Anshul, Garg @ 2014-12-30 5:32 UTC (permalink / raw)
To: dmitry.torokhov, dtor, linux-input; +Cc: aksgarg1989, anshul.g, p.shailesh
From: Anshul Garg <anshul.g@samsung.com>
If input device is grabbed then client which grabbed the device should only
flush the device and for other clients error should be returned.
Signed-off-by: Anshul Garg <anshul.g@samsung.com>
---
drivers/input/evdev.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/input/evdev.c b/drivers/input/evdev.c
index fd325ec..70df398 100644
--- a/drivers/input/evdev.c
+++ b/drivers/input/evdev.c
@@ -248,6 +248,8 @@ static int evdev_flush(struct file *file, fl_owner_t id)
if (!evdev->exist || client->revoked)
retval = -ENODEV;
+ else if (evdev->grab != client)
+ retval = -EINVAL;
else
retval = input_flush_device(&evdev->handle, file);
--
1.7.9.5
^ permalink raw reply related [flat|nested] 2+ messages in thread
* [PATCH] Input: Add check for grabbed device before flushing the device
@ 2014-12-30 5:47 anshul.g
0 siblings, 0 replies; 2+ messages in thread
From: anshul.g @ 2014-12-30 5:47 UTC (permalink / raw)
To: dmitry.torokhov, dtor, linux-input; +Cc: aksgarg1989, anshul.g, p.shailesh
From: Anshul Garg <anshul.g@samsung.com>
If input device is grabbed then client which grabbed the device should only
flush the device and for other clients error should be returned.
Signed-off-by: Anshul Garg <anshul.g@samsung.com>
---
drivers/input/evdev.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/input/evdev.c b/drivers/input/evdev.c
index fd325ec..70df398 100644
--- a/drivers/input/evdev.c
+++ b/drivers/input/evdev.c
@@ -248,6 +248,8 @@ static int evdev_flush(struct file *file, fl_owner_t id)
if (!evdev->exist || client->revoked)
retval = -ENODEV;
+ else if (evdev->grab != client)
+ retval = -EINVAL;
else
retval = input_flush_device(&evdev->handle, file);
--
1.7.9.5
^ permalink raw reply related [flat|nested] 2+ messages in thread
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