x86: use get_bios_ebda in mpparse_64.c

[sfrench/cifs-2.6.git] / block / bsg.c

diff --git a/block/bsg.c b/block/bsg.c
index 8e181ab3afb9a515f38195b450145002a2be044d..8917c5174dc2646c5ad8d4d67eb67529a98783f5 100644 (file)
--- a/block/bsg.c
+++ b/block/bsg.c
@@ -279,6 +279,7 @@ bsg_map_hdr(struct bsg_device *bd, struct sg_io_v4 *hdr)
                        goto out;
                }
                rq->next_rq = next_rq;
+               next_rq->cmd_type = rq->cmd_type;
 
                dxferp = (void*)(unsigned long)hdr->din_xferp;
                ret =  blk_rq_map_user(q, next_rq, dxferp, hdr->din_xfer_len);
@@ -445,6 +446,15 @@ static int blk_complete_sgv4_hdr_rq(struct request *rq, struct sg_io_v4 *hdr,
        else
                hdr->dout_resid = rq->data_len;
 
+       /*
+        * If the request generated a negative error number, return it
+        * (providing we aren't already returning an error); if it's
+        * just a protocol response (i.e. non negative), that gets
+        * processed above.
+        */
+       if (!ret && rq->errors < 0)
+               ret = rq->errors;
+
        blk_rq_unmap_user(bio);
        blk_put_request(rq);
 
@@ -837,6 +847,7 @@ static long bsg_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 {
        struct bsg_device *bd = file->private_data;
        int __user *uarg = (int __user *) arg;
+       int ret;
 
        switch (cmd) {
                /*
@@ -889,12 +900,12 @@ 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