1. add some parameter check.Thanks Kai.
2. delete some redundant code.
3. modify the module author information.
Signed-off-by: Kai Ye <yekai13@xxxxxxxxxx>
Reviewed-by: Zhou Wang <wangzhou1@xxxxxxxxxxxxx>
---WARN_ON should not be used in uacce, instead error can be printed in user space driver.
drivers/misc/uacce/uacce.c | 28 +++++++++++++---------------
1 file changed, 13 insertions(+), 15 deletions(-)
diff --git a/drivers/misc/uacce/uacce.c b/drivers/misc/uacce/uacce.c
index 107028e..2e1af58 100644
--- a/drivers/misc/uacce/uacce.c
+++ b/drivers/misc/uacce/uacce.c
@@ -63,8 +63,12 @@ static long uacce_fops_unl_ioctl(struct file *filep,
unsigned int cmd, unsigned long arg)
{
struct uacce_queue *q = filep->private_data;
- struct uacce_device *uacce = q->uacce;
+ struct uacce_device *uacce;
+
+ if (WARN_ON(!q))
+ return -EINVAL;