Re: [PATCH v2] usb: ffs: fix regression when quirk_ep_out_aligned_size flag is set

From: Felipe Balbi
Date: Mon Oct 13 2014 - 11:32:53 EST

On Wed, Oct 08, 2014 at 02:12:18PM -0700, David Cohen wrote:
> The commit '2e4c7553cd usb: gadget: f_fs: add aio support' broke the
> quirk implemented to align buffer size to maxpacketsize on out endpoint.
> As result, functionfs does not work on Intel platforms using dwc3 driver
> (i.e. Bay Trail and Merrifield). This patch fixes the issue.
> This code is based on a previous Qiuxu's patch.
> Fixes: 2e4c7553cd (usb: gadget: f_fs: add aio support)
> Cc: <stable@xxxxxxxxxxxxxxx> # v3.16+
> Signed-off-by: David Cohen <david.a.cohen@xxxxxxxxxxxxxxx>
> Signed-off-by: Qiuxu Zhuo <qiuxu.zhuo@xxxxxxxxx>
> Acked-by: Michal Nazarewicz <mina86@xxxxxxxxxx>
> ---
> Hi,
> Since this is a feature that worked in past, this is meant for stable
> versions >= 3.16 too.
> v1 to v2: just added Fixes, Cc and Acked-by lines on patch description.

this adds a build warning for use of maybe unitialized data_len. Plese


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