From: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Date: Sat, 21 Feb 2009 23:31:23 +0000 (-0800)
Subject: USB: musb: be careful with 64K+ transfer lengths, host side
X-Git-Tag: v2.6.29-rc7~22^2~3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3ecdb9acf343bbcf2bb2c287dc524ab709cfad7e;p=pandora-kernel.git

USB: musb: be careful with 64K+ transfer lengths, host side

Feeding 32-bit length cast down to 'u16' to min() to calculate the FIFO
count in musb_host_tx() risks sending a short packet prematurely for
transfer sizes over 64 KB.

Similarly, although data transfer size shouldn't exceed 65535 bytes for
the control endpoint, making musb_h_ep0_continue() more robust WRT URBs
with possibly oversized buffer will not hurt either...

Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Cc: Felipe Balbi <felipe.balbi@nokia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

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