Merge tag 'for-linus-5.12b-rc6-tag' of git://git.kernel.org/pub/scm/linux/kernel...

[platform/kernel/linux-rpi.git] / drivers / block / xen-blkback / blkback.c

diff --git a/drivers/block/xen-blkback/blkback.c b/drivers/block/xen-blkback/blkback.c
index da16121..14e4528 100644 (file)
--- a/drivers/block/xen-blkback/blkback.c
+++ b/drivers/block/xen-blkback/blkback.c
@@ -891,7 +891,7 @@ next:
 out:
        for (i = last_map; i < num; i++) {
                /* Don't zap current batch's valid persistent grants. */
-               if(i >= last_map + segs_to_map)
+               if(i >= map_until)
                        pages[i]->persistent_gnt = NULL;
                pages[i]->handle = BLKBACK_INVALID_HANDLE;
        }
@@ -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;