From a215aa7b9ab3759c047201199fba64d3042d7f13 Mon Sep 17 00:00:00 2001 From: Jeremy Erickson Date: Fri, 18 Apr 2014 17:06:00 -0400 Subject: Update 2.6.36 to 2.6.36.4 --- block/blk-map.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'block/blk-map.c') diff --git a/block/blk-map.c b/block/blk-map.c index ade0a08c9099..267a57b77099 100644 --- a/block/blk-map.c +++ b/block/blk-map.c @@ -205,6 +205,8 @@ int blk_rq_map_user_iov(struct request_queue *q, struct request *rq, unaligned = 1; break; } + if (!iov[i].iov_len) + return -EINVAL; } if (unaligned || (q->dma_pad_mask & len) || map_data) -- cgit v1.2.2