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(parent: c662a31) | patch
usb: gadget: f_fs: buffer data from ‘oversized’ OUT requests
authorMichal Nazarewicz <mina86@mina86.com>
Sat, 21 May 2016 18:47:35 +0000 (20:47 +0200)
committerFelipe Balbi <felipe.balbi@linux.intel.com>
Tue, 21 Jun 2016 08:11:31 +0000 (11:11 +0300)
commit9353afbbfa7b10779a1aa108fcc23e32fd625990
treebcb04f4d191a444798af2e2847e3096e8a31ce4etree | snapshot (tar.gz zip)
parentc662a31be755f5e315945e2c802c335eb8baddb8commit | diff
usb: gadget: f_fs: buffer data from ‘oversized’ OUT requests

f_fs rounds up read(2) requests to a multiple of a max packet size
which means that host may provide more data than user has space for.
So far, the excess data has been silently ignored.

This introduces a buffer for a tail of such requests so that they are
returned on next read instead of being ignored.

Signed-off-by: Michal Nazarewicz <mina86@mina86.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
drivers/usb/gadget/function/f_fs.c diff | blob | blame | history