projects
/
firefly-linux-kernel-4.4.55.git
/ blobdiff
commit
grep
author
committer
pickaxe
?
search:
re
summary
|
shortlog
|
log
|
commit
|
commitdiff
|
tree
raw
|
inline
| side by side
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
[firefly-linux-kernel-4.4.55.git]
/
block
/
blk-map.c
diff --git
a/block/blk-map.c
b/block/blk-map.c
index d4a586d8691ec5ed37311d1e3fc76aa0c310828f..5d5dbe47c2285ee7ccb5f3ca784f9cdb8cb6df3e 100644
(file)
--- 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;
}
unaligned = 1;
break;
}
+ if (!iov[i].iov_len)
+ return -EINVAL;
}
if (unaligned || (q->dma_pad_mask & len) || map_data)
}
if (unaligned || (q->dma_pad_mask & len) || map_data)