linux-kernel - Re: [PATCH v2] at91: pmc: Fixed irq's name allocation for programmable clocks

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Tue, 04 Feb 2014 09:42:29 +0100
From:	Boris BREZILLON <b.brezillon@...rkiz.com>
To:	Jean-Jacques Hiblot <jjhiblot@...phandler.com>,
	nicolas.ferre@...el.com
CC:	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	Mike Turquette <mturquette@...aro.org>
Subject: Re: [PATCH v2] at91: pmc: Fixed irq's name allocation for programmable
 clocks

Hello JJ,

Sorry for the noise (I added Mike in the CC list).

BTW, thanks for fixing this bug.

Mike, could you take this bug fix for the next 3.14 release ?

Best Regards,

Boris

On 04/02/2014 09:21, Jean-Jacques Hiblot wrote:
> The name provided to request_irq() must be valid until the irq is released.
> This patch stores the name in the internal data structure.
>
> Signed-off-by: Jean-Jacques Hiblot <jjhiblot@...phandler.com>
Acked-by: Boris BREZILLON <b.brezillon@...rkiz.com>
> ---
>   drivers/clk/at91/clk-programmable.c | 6 +++---
>   1 file changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/clk/at91/clk-programmable.c b/drivers/clk/at91/clk-programmable.c
> index 8e242c7..799b75c 100644
> --- a/drivers/clk/at91/clk-programmable.c
> +++ b/drivers/clk/at91/clk-programmable.c
> @@ -44,6 +44,7 @@ struct clk_programmable {
>   	u8 css;
>   	u8 pres;
>   	u8 slckmck;
> +	char irq_name[11];
>   	const struct clk_programmable_layout *layout;
>   };
>   
> @@ -247,7 +248,6 @@ at91_clk_register_programmable(struct at91_pmc *pmc, unsigned int irq,
>   	struct clk_programmable *prog;
>   	struct clk *clk = NULL;
>   	struct clk_init_data init;
> -	char irq_name[11];
>   
>   	if (id > PROG_ID_MAX)
>   		return ERR_PTR(-EINVAL);
> @@ -269,9 +269,9 @@ at91_clk_register_programmable(struct at91_pmc *pmc, unsigned int irq,
>   	prog->irq = irq;
>   	init_waitqueue_head(&prog->wait);
>   	irq_set_status_flags(prog->irq, IRQ_NOAUTOEN);
> -	snprintf(irq_name, sizeof(irq_name), "clk-prog%d", id);
> +	snprintf(prog->irq_name, sizeof(prog->irq_name), "clk-prog%d", id);
>   	ret = request_irq(prog->irq, clk_programmable_irq_handler,
> -			  IRQF_TRIGGER_HIGH, irq_name, prog);
> +			  IRQF_TRIGGER_HIGH, prog->irq_name, prog);
>   	if (ret)
>   		return ERR_PTR(ret);
>   

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/