Quoting Joe Perches ([email protected]):
> Prefix logging output with "capability: " via pr_fmt.
> Convert printks to pr_<level>.
> Use pr_<level>_once instead of guard flags.
> Coalesce formats.
> 
> Signed-off-by: Joe Perches <[email protected]>

Thanks.

Acked-by: Serge E. Hallyn <[email protected]>

> ---
>  kernel/capability.c | 29 ++++++++++-------------------
>  1 file changed, 10 insertions(+), 19 deletions(-)
> 
> diff --git a/kernel/capability.c b/kernel/capability.c
> index 34019c5..a8d63df 100644
> --- a/kernel/capability.c
> +++ b/kernel/capability.c
> @@ -7,6 +7,8 @@
>   * 30 May 2002:      Cleanup, Robert M. Love <[email protected]>
>   */
>  
> +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
> +
>  #include <linux/audit.h>
>  #include <linux/capability.h>
>  #include <linux/mm.h>
> @@ -42,15 +44,10 @@ __setup("no_file_caps", file_caps_disable);
>  
>  static void warn_legacy_capability_use(void)
>  {
> -     static int warned;
> -     if (!warned) {
> -             char name[sizeof(current->comm)];
> -
> -             printk(KERN_INFO "warning: `%s' uses 32-bit capabilities"
> -                    " (legacy support in use)\n",
> -                    get_task_comm(name, current));
> -             warned = 1;
> -     }
> +     char name[sizeof(current->comm)];
> +
> +     pr_info_once("warning: `%s' uses 32-bit capabilities (legacy support in 
> use)\n",
> +                  get_task_comm(name, current));
>  }
>  
>  /*
> @@ -71,16 +68,10 @@ static void warn_legacy_capability_use(void)
>  
>  static void warn_deprecated_v2(void)
>  {
> -     static int warned;
> +     char name[sizeof(current->comm)];
>  
> -     if (!warned) {
> -             char name[sizeof(current->comm)];
> -
> -             printk(KERN_INFO "warning: `%s' uses deprecated v2"
> -                    " capabilities in a way that may be insecure.\n",
> -                    get_task_comm(name, current));
> -             warned = 1;
> -     }
> +     pr_info_once("warning: `%s' uses deprecated v2 capabilities in a way 
> that may be insecure\n",
> +                  get_task_comm(name, current));
>  }
>  
>  /*
> @@ -380,7 +371,7 @@ bool has_capability_noaudit(struct task_struct *t, int 
> cap)
>  bool ns_capable(struct user_namespace *ns, int cap)
>  {
>       if (unlikely(!cap_valid(cap))) {
> -             printk(KERN_CRIT "capable() called with invalid cap=%u\n", cap);
> +             pr_crit("capable() called with invalid cap=%u\n", cap);
>               BUG();
>       }
>  
> 
> 
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