Messages in this thread Patch in this message | | | Subject | [PATCH] block: Always check length of all iov entries in blk_rq_map_user_iov() | From | Ben Hutchings <> | Date | Sun, 13 Nov 2011 18:55:07 +0000 |
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Even after commit 5478755616ae2ef1ce144dded589b62b2a50d575 ("block: check for proper length of iov entries earlier ...") we still won't check for zero-length entries after an unaligned entry. Remove the break-statement, so all entries are checked.
Signed-off-by: Ben Hutchings <ben@decadent.org.uk> Cc: stable@vger.kernel.org --- block/blk-map.c | 4 +--- 1 files changed, 1 insertions(+), 3 deletions(-)
diff --git a/block/blk-map.c b/block/blk-map.c index e663ac2..2e852a4 100644 --- a/block/blk-map.c +++ b/block/blk-map.c @@ -204,10 +204,8 @@ int blk_rq_map_user_iov(struct request_queue *q, struct request *rq, if (!iov[i].iov_len) return -EINVAL; - if (uaddr & queue_dma_alignment(q)) { + if (uaddr & queue_dma_alignment(q)) unaligned = 1; - break; - } } if (unaligned || (q->dma_pad_mask & len) || map_data) -- 1.7.7.2
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