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authorHannes Reinecke <hare@suse.de>2016-03-15 12:03:28 -0700
committerJens Axboe <axboe@fb.com>2016-03-15 12:03:28 -0700
commit4ee86babe09f0682a60b1c56be99819bbe4ba62c (patch)
tree4b94ce88f3586a56448416947a659933b46bb97f /drivers
parent2b885517110cbe8724fef30363778b6284d0a428 (diff)
blk-mq: add bounds check on tag-to-rq conversion
We need to check for a valid index before accessing the array element to avoid accessing invalid memory regions. Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Jeff Moyer <jmoyer@redhat.com> Modified by Jens to drop the unlikely(), and make the fall through path be having a valid tag. Signed-off-by: Jens Axboe <axboe@fb.com>
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