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From: Dan Carpenter <dan.carpenter@oracle.com>
To: Julia Lawall <Julia.Lawall@inria.fr>
Cc: Andy Walls <awalls@md.metrocast.net>,
	kernel-janitors@vger.kernel.org,
	Mauro Carvalho Chehab <mchehab@kernel.org>,
	linux-media@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 2/9] media: cx18: use GFP_KERNEL
Date: Fri, 18 Feb 2022 15:26:20 +0300	[thread overview]
Message-ID: <20220218122620.GI2407@kadam> (raw)
In-Reply-To: <20220210204223.104181-3-Julia.Lawall@inria.fr>

On Thu, Feb 10, 2022 at 09:42:16PM +0100, Julia Lawall wrote:
> Pci_driver probe functions aren't called with locks held
> and thus don't need GFP_ATOMIC. Use GFP_KERNEL instead.
> 
> Problem found with Coccinelle.
> 
> Signed-off-by: Julia Lawall <Julia.Lawall@inria.fr>
> 
> ---
>  drivers/media/pci/cx18/cx18-driver.c |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/media/pci/cx18/cx18-driver.c b/drivers/media/pci/cx18/cx18-driver.c
> index 59497ba6bf1f..1be9672ae9d4 100644
> --- a/drivers/media/pci/cx18/cx18-driver.c
> +++ b/drivers/media/pci/cx18/cx18-driver.c
> @@ -899,7 +899,7 @@ static int cx18_probe(struct pci_dev *pci_dev,
>  		return -ENOMEM;

Unrelated to your patch but every error path in this function ought to
call atomic_dec(&cx18_instance);

regards,
dan carpenter


  reply	other threads:[~2022-02-18 12:27 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-02-10 20:42 [PATCH 0/9] use GFP_KERNEL Julia Lawall
2022-02-10 20:42 ` [PATCH 1/9] net: moxa: " Julia Lawall
2022-02-10 20:42 ` [PATCH 2/9] media: cx18: " Julia Lawall
2022-02-18 12:26   ` Dan Carpenter [this message]
2022-02-10 20:42 ` [PATCH 3/9] ASoC: Intel: bytcr_wm5102: " Julia Lawall
2022-02-11  0:20   ` Pierre-Louis Bossart
2022-02-11  7:43     ` Hans de Goede
2022-02-10 20:42 ` [PATCH 4/9] crypto: " Julia Lawall
2022-02-18  5:37   ` Herbert Xu
2022-02-10 20:42 ` [PATCH 5/9] pata_mpc52xx: " Julia Lawall
2022-02-10 20:45   ` Sergey Shtylyov
2022-02-11  7:43   ` Damien Le Moal
2022-02-10 20:42 ` [PATCH 6/9] media: fsl-viu: " Julia Lawall
2022-02-10 20:42 ` [PATCH 7/9] mtd: spear_smi: " Julia Lawall
2022-02-18 14:32   ` Miquel Raynal
2022-02-10 20:42 ` [PATCH 8/9] [SCSI] mptfusion: " Julia Lawall
2022-02-11 22:10   ` Martin K. Petersen
2022-02-10 20:42 ` [PATCH 9/9] mfd: sta2x11: " Julia Lawall
2022-02-15 13:22   ` Lee Jones
2022-02-12  0:20 ` [PATCH 0/9] " patchwork-bot+netdevbpf
2022-02-14 12:54 ` (subset) " Mark Brown
2022-02-15  3:19 ` Martin K. Petersen

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