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-rw-r--r--drivers/block/xen-blkback/blkback.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/block/xen-blkback/blkback.c b/drivers/block/xen-blkback/blkback.c
index c15c559e866..53c81de6f88 100644
--- a/drivers/block/xen-blkback/blkback.c
+++ b/drivers/block/xen-blkback/blkback.c
@@ -707,8 +707,7 @@ static int dispatch_rw_block_io(struct xen_blkif *blkif,
* the hypercall to unmap the grants - that is all done in
* xen_blkbk_unmap.
*/
- if (operation != BLKIF_OP_DISCARD &&
- xen_blkbk_map(req, pending_req, seg))
+ if (operation == REQ_DISCARD && xen_blkbk_map(req, pending_req, seg))
goto fail_flush;
/*