linux-kernel - Re: [PATCH 3/3] kprobes: Use KSYM_NAME

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Message-ID: <20130812043159.GA9278@in.ibm.com>
Date:	Mon, 12 Aug 2013 10:01:59 +0530
From:	Ananth N Mavinakayanahalli <ananth@...ibm.com>
To:	Andi Kleen <andi@...stfloor.org>
Cc:	linux-kernel@...r.kernel.org, mmarek@...e.cz,
	linux-kbuild@...r.kernel.org, Joe Mario <jmario@...hat.com>,
	Andi Kleen <ak@...ux.intel.com>
Subject: Re: [PATCH 3/3] kprobes: Use KSYM_NAME_LEN to size identifier buffers

On Sat, Aug 10, 2013 at 05:55:33PM -0700, Andi Kleen wrote:
> From: Joe Mario <jmario@...hat.com>
> 
> Use KSYM_NAME_LEN to size identifier buffers, so that it can
> be easier increased.
> 
> Cc: ananth@...ibm.com
> Signed-off-by: Joe Mario <jmario@...hat.com>
> Signed-off-by: Andi Kleen <ak@...ux.intel.com>

Acked-by: Ananth N Mavinakayanahalli <ananth@...ibm.com>

> ---
>  kernel/kprobes.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/kernel/kprobes.c b/kernel/kprobes.c
> index 6e33498..e174daf 100644
> --- a/kernel/kprobes.c
> +++ b/kernel/kprobes.c
> @@ -2083,7 +2083,7 @@ static int __init init_kprobes(void)
>  {
>  	int i, err = 0;
>  	unsigned long offset = 0, size = 0;
> -	char *modname, namebuf[128];
> +	char *modname, namebuf[KSYM_NAME_LEN];
>  	const char *symbol_name;
>  	void *addr;
>  	struct kprobe_blackpoint *kb;
> @@ -2209,7 +2209,7 @@ static int __kprobes show_kprobe_addr(struct seq_file *pi, void *v)
>  	const char *sym = NULL;
>  	unsigned int i = *(loff_t *) v;
>  	unsigned long offset = 0;
> -	char *modname, namebuf[128];
> +	char *modname, namebuf[KSYM_NAME_LEN];
> 
>  	head = &kprobe_table[i];
>  	preempt_disable();
> -- 
> 1.8.3.1

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