linux-kernel - Re: [PATCH] media: rockchip/rga: do proper error checking in probe

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:   Mon, 22 Nov 2021 12:32:48 +0000
From:   Kieran Bingham <kieran.bingham@...asonboard.com>
To:     Dan Carpenter <dan.carpenter@...cle.com>,
        Ezequiel Garcia <ezequiel@...labora.com>,
        Heiko Stuebner <heiko@...ech.de>,
        Kyle Copperfield <kmcopper@...win1210.me>,
        Mauro Carvalho Chehab <mchehab@...nel.org>
Cc:     Kyle Copperfield <kmcopper@...win1210.me>,
        Dragan Simic <dragan.simic@...il.com>,
        linux-media@...r.kernel.org, linux-rockchip@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] media: rockchip/rga: do proper error checking in probe

Quoting Kyle Copperfield (2021-11-20 12:23:02)
> The latest fix for probe error handling contained a typo that causes
> probing to fail with the following message:
> 
>   rockchip-rga: probe of ff680000.rga failed with error -12
> 
> This patch fixes the typo.
> 
> Fixes: e58430e1d4fd (media: rockchip/rga: fix error handling in probe)
> Reviewed-by: Dragan Simic <dragan.simic@...il.com>
> Signed-off-by: Kyle Copperfield <kmcopper@...win1210.me>
> ---
>  drivers/media/platform/rockchip/rga/rga.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/media/platform/rockchip/rga/rga.c b/drivers/media/platform/rockchip/rga/rga.c
> index 6759091b15e0..d99ea8973b67 100644
> --- a/drivers/media/platform/rockchip/rga/rga.c
> +++ b/drivers/media/platform/rockchip/rga/rga.c
> @@ -895,7 +895,7 @@ static int rga_probe(struct platform_device *pdev)
>         }
>         rga->dst_mmu_pages =
>                 (unsigned int *)__get_free_pages(GFP_KERNEL | __GFP_ZERO, 3);
> -       if (rga->dst_mmu_pages) {
> +       if (!rga->dst_mmu_pages) {

Ouch, that indeed looks like it was unhelpful..

Reviewed-by: Kieran Bingham <kieran.bingham+renesas@...asonboard.com>

>                 ret = -ENOMEM;
>                 goto free_src_pages;
>         }
> -- 
> 2.34.0
>