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authorDan Carpenter <dan.carpenter@oracle.com>2012-02-06 10:20:45 +0100
committerJens Axboe <axboe@kernel.dk>2012-02-06 10:20:45 +0100
commit822bfa51ce44f2c63c300fdb76dc99c4d5a5ca9f (patch)
treec9eaa4357b5ebca49c47bd5a25beabaa992442aa /block/blk-cgroup.c
parent9fa73472ddbcd3da87d35a7f4566eaaf345f798e (diff)
downloadlinux-linaro-stable-822bfa51ce44f2c63c300fdb76dc99c4d5a5ca9f.tar.gz
cdrom: use copy_to_user() without the underscores
"nframes" comes from the user and "nframes * CD_FRAMESIZE_RAW" can wrap on 32 bit systems. That would have been ok if we used the same wrapped value for the copy, but we use a shifted value. We should just use the checked version of copy_to_user() because it's not going to make a difference to the speed. Cc: stable@vger.kernel.com Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block/blk-cgroup.c')
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