[Xen-devel] [BLKTAP]: Kill bogus fast_flush_area

[Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>]

Hi Keir:

[BLKTAP]: Kill bogus fast_flush_area

The function dispatch_rw_block_io may call fast_flush_area even before a
pending request has been initialised.  This patch deletes that call.

Signed-off-by: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>

Cheers,
-- 
Visit Openswan at http://www.openswan.org/
Email: Herbert Xu ~{PmV>HI~} <herbert@xxxxxxxxxxxxxxxxxxx>
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--
diff -r 4c40bed66ade linux-2.6-xen-sparse/drivers/xen/blktap/blktap.c
--- a/linux-2.6-xen-sparse/drivers/xen/blktap/blktap.c  Thu Oct 19 22:05:07 
2006 +0100
+++ b/linux-2.6-xen-sparse/drivers/xen/blktap/blktap.c  Fri Oct 20 14:34:40 
2006 +1000
@@ -1129,7 +1129,8 @@ static void dispatch_rw_block_io(blkif_t
        uint16_t mmap_idx = pending_req->mem_idx;
 
        /*Check we have space on user ring - should never fail*/
-       if(usr_idx == INVALID_REQ) goto fail_flush;
+       if (usr_idx == INVALID_REQ)
+               goto fail_response;
        
        /* Check that number of segments is sane. */
        nseg = req->nr_segments;

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