Commit 982a9e01 authored by Oleg Nesterov's avatar Oleg Nesterov Committed by Greg Kroah-Hartman
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V4L: buf_qbuf: fix videobuf_queue->stream corruption and lockup 



We are doing ->buf_prepare(buf) before adding buf to q->stream list. This
means that videobuf_qbuf() should not try to re-add a STATE_PREPARED buffer.

(cherry picked from commit 419dd837)

Signed-off-by: default avatarOleg Nesterov <oleg@tv-sign.ru>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@infradead.org>
Signed-off-by: default avatarMichael Krufky <mkrufky@linuxtv.org>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent 34d39c49
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