On Thu, Oct 04, 2018 at 10:56:48AM +0800, zhong jiang wrote:
> It is safe to dereference an object below a NULL test. For the sake
> of debugging. Just delete the call of possible null pointer dereference.
> 
> Signed-off-by: zhong jiang <[email protected]>
> ---
>  drivers/misc/cxl/guest.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/misc/cxl/guest.c b/drivers/misc/cxl/guest.c
> index 3bc0c15..472e8db 100644
> --- a/drivers/misc/cxl/guest.c
> +++ b/drivers/misc/cxl/guest.c
> @@ -1018,7 +1018,7 @@ int cxl_guest_init_afu(struct cxl *adapter, int slice, 
> struct device_node *afu_n
>  
>  void cxl_guest_remove_afu(struct cxl_afu *afu)
>  {
> -     pr_devel("in %s - AFU(%d)\n", __func__, afu->slice);
> +     pr_devel("in %s\n", __func__);

This call should just be deleted, it's not needed, ftrace can be used
instead.

thanks,

greg k-h

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