linux-kernel - Re: [PATCHv2.5] trace: reuse kbasename() functionality

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Message-ID: <1349455743.6755.57.camel@gandalf.local.home>
Date:	Fri, 05 Oct 2012 12:49:03 -0400
From:	Steven Rostedt <rostedt@...dmis.org>
To:	Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, Joe Perches <joe@...ches.com>,
	Frederic Weisbecker <fweisbec@...il.com>
Subject: Re: [PATCHv2.5] trace: reuse kbasename() functionality

On Wed, 2012-10-03 at 11:53 +0300, Andy Shevchenko wrote:
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
> Cc: Steven Rostedt <rostedt@...dmis.org>
> Cc: Frederic Weisbecker <fweisbec@...il.com>
> ---
>  kernel/trace/trace_uprobe.c |    8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/kernel/trace/trace_uprobe.c b/kernel/trace/trace_uprobe.c
> index 03003cd..c7ba4f6 100644
> --- a/kernel/trace/trace_uprobe.c
> +++ b/kernel/trace/trace_uprobe.c
> @@ -22,6 +22,7 @@
>  #include <linux/uaccess.h>
>  #include <linux/uprobes.h>
>  #include <linux/namei.h>
> +#include <linux/string.h>
>  
>  #include "trace_probe.h"
>  
> @@ -263,16 +264,15 @@ static int create_trace_uprobe(int argc, char **argv)
>  
>  	/* setup a probe */
>  	if (!event) {
> -		char *tail = strrchr(filename, '/');
> +		char *tail;
>  		char *ptr;
>  
> -		ptr = kstrdup((tail ? tail + 1 : filename), GFP_KERNEL);
> -		if (!ptr) {
> +		tail = kstrdup(kbasename(filename), GFP_KERNEL);

I don't see kbasename() anywhere. Is this based off of other patches?

-- Steve

> +		if (!tail) {
>  			ret = -ENOMEM;
>  			goto fail_address_parse;
>  		}
>  
> -		tail = ptr;
>  		ptr = strpbrk(tail, ".-_");
>  		if (ptr)
>  			*ptr = '\0';


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