On Wed, 21 Nov 2012, Sachin Kamat wrote:

> Silences the following smatch warning:
> drivers/hid/usbhid/hiddev.c:897 hiddev_connect() warn:
> returning -1 instead of -ENOMEM is sloppy
> 
> Signed-off-by: Sachin Kamat <[email protected]>
> ---
>  drivers/hid/usbhid/hiddev.c |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)
> 
> diff --git a/drivers/hid/usbhid/hiddev.c b/drivers/hid/usbhid/hiddev.c
> index 14599e2..50e2ab8 100644
> --- a/drivers/hid/usbhid/hiddev.c
> +++ b/drivers/hid/usbhid/hiddev.c
> @@ -894,7 +894,7 @@ int hiddev_connect(struct hid_device *hid, unsigned int 
> force)
>       }
>  
>       if (!(hiddev = kzalloc(sizeof(struct hiddev), GFP_KERNEL)))
> -             return -1;
> +             return -ENOMEM;
>  
>       init_waitqueue_head(&hiddev->wait);
>       INIT_LIST_HEAD(&hiddev->list);

Well, this would make sense only if the callers would be actualling doing 
something useful with that return value. But the only check we are 
performing at callsites is non-zero test ...

Thanks,

-- 
Jiri Kosina
SUSE Labs
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