bsg SG_IO needs to return -EFAULT for the response field in struct
sg_io_v4.
Signed-off-by: FUJITA Tomonori <[EMAIL PROTECTED]>
---
block/bsg.c | 5 +++--
1 files changed, 3 insertions(+), 2 deletions(-)
diff --git a/block/bsg.c b/block/bsg.c
index 8e181ab..7781e63 100644
--- a/block/bsg.c
+++ b/block/bsg.c
@@ -877,6 +877,7 @@ static long bsg_ioctl(struct file *file, unsigned int cmd,
unsigned long arg)
struct request *rq;
struct bio *bio, *bidi_bio = NULL;
struct sg_io_v4 hdr;
+ int ret;
if (copy_from_user(&hdr, uarg, sizeof(hdr)))
return -EFAULT;
@@ -889,12 +890,12 @@ static long bsg_ioctl(struct file *file, unsigned int
cmd, unsigned long arg)
if (rq->next_rq)
bidi_bio = rq->next_rq->bio;
blk_execute_rq(bd->queue, NULL, rq, 0);
- blk_complete_sgv4_hdr_rq(rq, &hdr, bio, bidi_bio);
+ ret = blk_complete_sgv4_hdr_rq(rq, &hdr, bio, bidi_bio);
if (copy_to_user(uarg, &hdr, sizeof(hdr)))
return -EFAULT;
- return 0;
+ return ret;
}
/*
* block device ioctls
--
1.5.3.4
-
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