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 for Android: free password hash cracker in your pocket
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <4F6B11DC.9090401@metafoo.de>
Date:	Thu, 22 Mar 2012 12:49:48 +0100
From:	Lars-Peter Clausen <lars@...afoo.de>
To:	Ravi Kumar V <kumarrav@...eaurora.org>
CC:	Vinod Koul <vinod.koul@...el.com>,
	Dan Williams <dan.j.williams@...el.com>,
	David Brown <davidb@...eaurora.org>,
	Daniel Walker <dwalker@...o99.com>,
	Bryan Huntsman <bryanh@...eaurora.org>,
	Russell King <linux@....linux.org.uk>,
	linux-arm-msm@...r.kernel.or, linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org, tsoni@...eaurora.org
Subject: Re: [PATCH v4 2/2] DMAEngine: Add DMAEngine driver based on old MSM
 ADM DMA APIs

On 03/22/2012 11:58 AM, Ravi Kumar V wrote:
> [...]
> +static struct dma_async_tx_descriptor *msm_dma_prep_sg(
> +		struct dma_chan *dchan,
> +		struct scatterlist *dst_sg, unsigned int dst_nents,
> +		struct scatterlist *src_sg, unsigned int src_nents,
> +		unsigned long flags, void *context)
> +{
> [...]
> +
> +	if (!dchan)
> +		return ERR_PTR(-EINVAL);
> +
> +	if (dst_nents == 0 || src_nents == 0)
> +		return ERR_PTR(-EINVAL);
> +	if (!dst_sg || !src_sg)
> +		return ERR_PTR(-EINVAL);
> +
> +	if ((dst_nents != src_nents) || (cmd_config->num_cmd != src_nents))
> +		return ERR_PTR(-EINVAL);
> +
> + [...]
> +
> +	if (!new) {
> +		dev_err(chan->dev,
> +			"No free memory for link descriptor\n");
> +		return ERR_PTR(-ENOMEM);
> +	}
> +
> [...]
> +	return &new->async_tx;
> +}

Same comment as before. This is supposed to return either a valid descriptor
or NULL, but not an ERR_PTR.

--
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/

Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ