mmc: android-goldfish: use resource_size()

Use resource_size() instead of explicit calculation. This was found via
make coccicheck.

Signed-off-by: Silviu-Mihai Popescu <silviupopescu1990@gmail.com>
Signed-off-by: Chris Ball <cjb@laptop.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/mmc/host/android-goldfish.c b/drivers/mmc/host/android-goldfish.c
index ef3aef0f376d..7780c14704c4 100644
--- a/drivers/mmc/host/android-goldfish.c
+++ b/drivers/mmc/host/android-goldfish.c
@@ -476,7 +476,7 @@ static int goldfish_mmc_probe(struct platform_device *pdev)
         host->mmc = mmc;
 
         pr_err("mmc: Mapping %lX to %lX\n", (long)res->start, (long)res->end);
-        host->reg_base = ioremap(res->start, res->end - res->start + 1);
+        host->reg_base = ioremap(res->start, resource_size(res));
         if (host->reg_base == NULL) {
                 ret = -ENOMEM;
                 goto ioremap_failed;