usb: musb: gadget: fix DMA length for OUT transfer
DMA length should not go beyond the availabe space of request buffer, so fix it. Signed-off-by: NMing Lei <tom.leiming@gmail.com> Acked-by: NAnand Gadiyar <gadiyar@ti.com> Cc: David Brownell <dbrownell@users.sourceforge.net> Cc: Anand Gadiyar <gadiyar@ti.com> Cc: Mike Frysinger <vapier@gentoo.org> Cc: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: NFelipe Balbi <balbi@ti.com> Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>
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