Subject: Re: [Kgdb-bugreport] [PATCH] kgdb, ppc: Corrected the address using of current->thread.evr register

From: Sergei Shtylyov <[email-masked]>
Date: Tue, 16 Nov 2010 16:02:20 +0300

Hello.

On 16-11-2010 15:58, Dongdong Deng wrote:

> Passing the address of current->thread.evr register to memcpy function.

> Signed-off-by: Dongdong Deng<[email-masked]>
> CC: Hai Shan<[email-masked]>
> CC: Milton Miller<[email-masked]>
> CC: [email-masked]
> ---
>   arch/powerpc/kernel/kgdb.c |    4 ++--
>   1 files changed, 2 insertions(+), 2 deletions(-)

> diff --git a/arch/powerpc/kernel/kgdb.c b/arch/powerpc/kernel/kgdb.c
> index 7a9db64..781acff 100644
> --- a/arch/powerpc/kernel/kgdb.c
> +++ b/arch/powerpc/kernel/kgdb.c
> @@ -337,7 +337,7 @@ char *dbg_get_reg(int regno, void *mem, struct pt_regs *regs)
>   		/* FP registers 32 ->  63 */
>   #if defined(CONFIG_FSL_BOOKE)&&  defined(CONFIG_SPE)
>   		if (current)
> -			memcpy(mem, current->thread.evr[regno-32],
> +			memcpy(mem, (void *)&current->thread.evr[regno-32],
>   					dbg_reg_def[regno].size);
>   #else
>   		/* fp registers not used by kernel, leave zero */
> @@ -362,7 +362,7 @@ int dbg_set_reg(int regno, void *mem, struct pt_regs *regs)
>   	if (regno>= 32&&  regno<  64) {
>   		/* FP registers 32 ->  63 */
>   #if defined(CONFIG_FSL_BOOKE)&&  defined(CONFIG_SPE)
> -		memcpy(current->thread.evr[regno-32], mem,
> +		memcpy((void *)&current->thread.evr[regno-32], mem,

    Doesn't any pointer type get converted to 'void *' automatically? These 
casts are not really needed...

WBR, Sergei