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Message-ID: <SN6PR02MB4205F8504967B809BA7EEFBFB8D39@SN6PR02MB4205.namprd02.prod.outlook.com>
Date: Mon, 30 Jan 2023 16:43:15 +0000
From: Brian Cain <bcain@...cinc.com>
To: Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
CC: "linux-hexagon@...r.kernel.org" <linux-hexagon@...r.kernel.org>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
Abaci Robot <abaci@...ux.alibaba.com>
Subject: RE: [PATCH] trap: Fix warning comparing pointer to 0
> -----Original Message-----
> From: Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
...
>
> Avoid pointer type value compared with 0 to make code clear.
>
> ./arch/hexagon/kernel/traps.c:138:6-7: WARNING comparing pointer to 0.
>
> Reported-by: Abaci Robot <abaci@...ux.alibaba.com>
> Link: https://bugzilla.openanolis.cn/show_bug.cgi?id=3860
> Signed-off-by: Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
> ---
> 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 6447763ce5a9..fdbbf78b4ce0 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);
>
> --
> 2.20.1.7.g153144c
Acked-by: Brian Cain <bcain@...cinc.com>
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