drivers/block/mg_disk.c: use resource_size()

Use resource_size() for ioremap.

The ioremap appears to be passing the incorrect size for the platform
resource.  Unfortunately, I can't locate a user in mainline to verify
this.  Using resource_size should be the correct fix.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Acked-by: unsik Kim <donari75@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/block/mg_disk.c b/drivers/block/mg_disk.c
index e0339aaa1815..02b2583df7fc 100644
--- a/drivers/block/mg_disk.c
+++ b/drivers/block/mg_disk.c
@@ -860,7 +860,7 @@ static int mg_probe(struct platform_device *plat_dev)
                 err = -EINVAL;
                 goto probe_err_2;
         }
-        host->dev_base = ioremap(rsc->start , rsc->end + 1);
+        host->dev_base = ioremap(rsc->start, resource_size(rsc));
         if (!host->dev_base) {
                 printk(KERN_ERR "%s:%d ioremap fail\n",
                                 __func__, __LINE__);