Re: [PATCH] ionic: Remove unnecessary ternary operator in ionic_debugfs_add_ident

[Shannon Nelson]

On 9/17/19 4:26 PM, Nathan Chancellor wrote:
> clang warns:
>
> ../drivers/net/ethernet/pensando/ionic/ionic_debugfs.c:60:37: warning:
> expression result unused [-Wunused-value]
>                              ionic, &identity_fops) ? 0 : -EOPNOTSUPP;
>                                                           ^~~~~~~~~~~
> 1 warning generated.
>
> The return value of debugfs_create_file does not need to be checked [1]
> and the function returns void so get rid of the ternary operator, it is
> unnecessary.
>
> [1]: https://lore.kernel.org/linux-mm/20150815160730.GB25186@xxxxxxxxx/
>
> Fixes: fbfb8031533c ("ionic: Add hardware init and device commands")
> Link: https://github.com/ClangBuiltLinux/linux/issues/658
> Signed-off-by: Nathan Chancellor <natechancellor@xxxxxxxxx>

Acked-by: Shannon Nelson <snelson@xxxxxxxxxxx>

> ---
>   drivers/net/ethernet/pensando/ionic/ionic_debugfs.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/net/ethernet/pensando/ionic/ionic_debugfs.c b/drivers/net/ethernet/pensando/ionic/ionic_debugfs.c
> index 7afc4a365b75..bc03cecf80cc 100644
> --- a/drivers/net/ethernet/pensando/ionic/ionic_debugfs.c
> +++ b/drivers/net/ethernet/pensando/ionic/ionic_debugfs.c
> @@ -57,7 +57,7 @@ DEFINE_SHOW_ATTRIBUTE(identity);
>   void ionic_debugfs_add_ident(struct ionic *ionic)
>   {
>   	debugfs_create_file("identity", 0400, ionic->dentry,
> -			    ionic, &identity_fops) ? 0 : -EOPNOTSUPP;
> +			    ionic, &identity_fops);
>   }
>   
>   void ionic_debugfs_add_sizes(struct ionic *ionic)