RE: [PATCH] trap: Fix warning comparing pointer to 0

[Brian Cain]

> -----Original Message-----
> From: Jiapeng Chong <jiapeng.chong@xxxxxxxxxxxxxxxxx>
> Sent: Monday, September 6, 2021 4:33 AM
> To: bcain@xxxxxxxxxxxxxx
> Cc: linux-hexagon@xxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx;
> chongjiapeng <jiapeng.chong@xxxxxxxxxxxxxxxxx>
> Subject: [PATCH] trap: Fix warning comparing pointer to 0
> 
> From: chongjiapeng <jiapeng.chong@xxxxxxxxxxxxxxxxx>
> 
> Fix the following coccicheck warning:
> 
> ./arch/hexagon/kernel/traps.c:138:6-7: WARNING comparing pointer to 0.
> 
> Reported-by: Abaci Robot <abaci@xxxxxxxxxxxxxxxxx>
> Signed-off-by: chongjiapeng <jiapeng.chong@xxxxxxxxxxxxxxxxx>
> ---
>  arch/hexagon/kernel/traps.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/hexagon/kernel/traps.c b/arch/hexagon/kernel/traps.c
> index edfc35d..3b6e0de 100644
> --- a/arch/hexagon/kernel/traps.c
> +++ b/arch/hexagon/kernel/traps.c
> @@ -135,7 +135,7 @@ static void do_show_stack(struct task_struct *task,
> unsigned long *fp,
>  		}
> 
>  		/* Attempt to continue past exception. */
> -		if (0 == newfp) {
> +		if (!newfp) {
>  			struct pt_regs *regs = (struct pt_regs *) (((void
*)fp)
>  						+ 8);
> 

Reviewed-by: Brian Cain <bcain@xxxxxxxxxxxxxx>