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| author | Jeremy Erickson <jerickso@cs.unc.edu> | 2014-04-18 17:06:00 -0400 |
|---|---|---|
| committer | Jeremy Erickson <jerickso@cs.unc.edu> | 2014-04-18 17:06:00 -0400 |
| commit | a215aa7b9ab3759c047201199fba64d3042d7f13 (patch) | |
| tree | bca37493d9b2233450e6d3ffced1261d0e4f71fe /block/blk-map.c | |
| parent | d31199a77ef606f1d06894385f1852181ba6136b (diff) | |
Update 2.6.36 to 2.6.36.4wip-dissipation2-jerickso
Diffstat (limited to 'block/blk-map.c')
| -rw-r--r-- | block/blk-map.c | 2 |
1 files changed, 2 insertions, 0 deletions
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, | |||
| 205 | unaligned = 1; | 205 | unaligned = 1; |
| 206 | break; | 206 | break; |
| 207 | } | 207 | } |
| 208 | if (!iov[i].iov_len) | ||
| 209 | return -EINVAL; | ||
| 208 | } | 210 | } |
| 209 | 211 | ||
| 210 | if (unaligned || (q->dma_pad_mask & len) || map_data) | 212 | if (unaligned || (q->dma_pad_mask & len) || map_data) |