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authorJens Axboe <axboe@suse.de>2006-05-01 19:50:48 +0200
committerJens Axboe <axboe@suse.de>2006-05-01 19:50:48 +0200
commit0568b409c74f7a125d92a09a3f386785700ef688 (patch)
tree79125b2f4755e98949f0d941a0092e5d3367bbff /init/calibrate.c
parent46e678c96bbd775abd05d3ddbe2fd334794f9157 (diff)
[PATCH] splice: fix bugs in pipe_to_file()
Found by Oleg Nesterov <oleg@tv-sign.ru>, fixed by me. - Only allow full pages to go to the page cache. - Check page != buf->page instead of using PIPE_BUF_FLAG_STOLEN. - Remember to clear 'stolen' if add_to_page_cache() fails. And as a cleanup on that: - Make the bottom fall-through logic a little less convoluted. Also make the steal path hold an extra reference to the page, so we don't have to differentiate between stolen and non-stolen at the end. Signed-off-by: Jens Axboe <axboe@suse.de>
Diffstat (limited to 'init/calibrate.c')
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