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authorPaul Mundt <lethal@linux-sh.org>2011-01-07 02:29:26 +0100
committerPaul Mundt <lethal@linux-sh.org>2011-01-07 02:29:26 +0100
commit5e93c6b4ecd78b1bab49bad1dc2f6ed7ec0115ee (patch)
tree4f4e321a1ca0baf64d8af528080c71f93495a7d7 /block/blk-map.c
parentARM: mach-shmobile: mackerel: Add HDMI sound support (diff)
parentMerge branch 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm (diff)
downloadlinux-5e93c6b4ecd78b1bab49bad1dc2f6ed7ec0115ee.tar.xz
linux-5e93c6b4ecd78b1bab49bad1dc2f6ed7ec0115ee.zip
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6 into rmobile-latest
Conflicts: arch/arm/mach-shmobile/Kconfig Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'block/blk-map.c')
-rw-r--r--block/blk-map.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/block/blk-map.c b/block/blk-map.c
index 5d5dbe47c228..e663ac2d8e68 100644
--- a/block/blk-map.c
+++ b/block/blk-map.c
@@ -201,12 +201,13 @@ int blk_rq_map_user_iov(struct request_queue *q, struct request *rq,
for (i = 0; i < iov_count; i++) {
unsigned long uaddr = (unsigned long)iov[i].iov_base;
+ if (!iov[i].iov_len)
+ return -EINVAL;
+
if (uaddr & queue_dma_alignment(q)) {
unaligned = 1;
break;
}
- if (!iov[i].iov_len)
- return -EINVAL;
}
if (unaligned || (q->dma_pad_mask & len) || map_data)