From: Ming Lei Date: Tue, 16 Sep 2008 06:32:20 +0000 (-0300) Subject: V4L/DVB:usbvideo:don't use part of buffer for USB transfer #4 X-Git-Tag: v2.6.28-rc1~601^2~117 X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a31a4055473bf0a7b2b06cb2262347200d0711e1;p=pandora-kernel.git V4L/DVB:usbvideo:don't use part of buffer for USB transfer #4 The status[] is part of uvc_device structure. We can't make sure the address of status is at a cache-line boundary in all archs,so status[] might share a cache-line with some fields in uvc_structure. This can lead to some cache coherence issues(http://lwn.net/Articles/2265/). Use dynamically allocated buffer instead. Signed-off-by: Ming Lei Acked-by: Laurent Pinchart Signed-off-by: Mauro Carvalho Chehab --- Reading git-diff-tree failed