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-rw-r--r--drivers/block/xen-blkback/blkback.c4
1 files changed, 1 insertions, 3 deletions
diff --git a/drivers/block/xen-blkback/blkback.c b/drivers/block/xen-blkback/blkback.c
index da16121140ca..1cdf09ff67b6 100644
--- a/drivers/block/xen-blkback/blkback.c
+++ b/drivers/block/xen-blkback/blkback.c
@@ -1326,9 +1326,7 @@ static int dispatch_rw_block_io(struct xen_blkif_ring *ring,
pages[i]->page,
seg[i].nsec << 9,
seg[i].offset) == 0)) {
-
- int nr_iovecs = min_t(int, (nseg-i), BIO_MAX_PAGES);
- bio = bio_alloc(GFP_KERNEL, nr_iovecs);
+ bio = bio_alloc(GFP_KERNEL, bio_max_segs(nseg - i));
if (unlikely(bio == NULL))
goto fail_put_bio;