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| author | Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | 2011-04-18 20:04:17 +0400 |
|---|---|---|
| committer | Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | 2011-04-18 20:06:14 +0400 |
| commit | 6fd17b5643bf05c29fc226a5aee96328056fca10 (patch) | |
| tree | b7615c4f73da2d0a8d4a0574d6ae83aa540618ec | |
| parent | e93504933ee6982bdc005fa5c24e1ea330faaf8b (diff) | |
| download | linux-6fd17b5643bf05c29fc226a5aee96328056fca10.tar.xz | |
xen/blkback: Get the 'requeust_queue' properly.
After the commit 0faa8cca883bbc6a0919e3c89128672659b75820
(" xen/blkback: remove per-queue plugging") we forgot
to retrieve the 'struct request_queue' from the block device.
This puts the functionality back in and fixes a NULL pointer
bug.
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
| -rw-r--r-- | drivers/xen/blkback/blkback.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/xen/blkback/blkback.c b/drivers/xen/blkback/blkback.c index a0d3227955c9..3751325bfc32 100644 --- a/drivers/xen/blkback/blkback.c +++ b/drivers/xen/blkback/blkback.c @@ -542,6 +542,9 @@ static void dispatch_rw_block_io(struct blkif_st *blkif, goto fail_response; } } + q = bdev_get_queue(preq.bdev); + if (!q) + goto fail_response; /* If we have failed at this point, we need to undo the M2P override, * set gnttab_set_unmap_op on all of the grant references and perform * the hypercall to unmap the grants - that is all done in |