[PATCH] Small cleanup for z2ram.c

[Zhaolei]

We should use Z2MINOR_COUNT as range argument in blk_unregister_region()

Signed-off-by: Zhao Lei <zhaolei@xxxxxxxxxxxxxx>
---
drivers/block/z2ram.c |    2 +-
1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/block/z2ram.c b/drivers/block/z2ram.c
index 4575171..b259040 100644
--- a/drivers/block/z2ram.c
+++ b/drivers/block/z2ram.c
@@ -374,7 +374,7 @@ err:
static void __exit z2_exit(void)
{
    int i, j;
-    blk_unregister_region(MKDEV(Z2RAM_MAJOR, 0), 256);
+    blk_unregister_region(MKDEV(Z2RAM_MAJOR, 0), Z2MINOR_COUNT);
    unregister_blkdev(Z2RAM_MAJOR, DEVICE_NAME);
    del_gendisk(z2ram_gendisk);
    put_disk(z2ram_gendisk);
--
1.5.5.3


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