mmc: core: silence a shift wrapping warning

Presumably ->slotno is normally fairly small and the shift doesn't wrap
but static checkers will complain about it.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/mmc/core/sdio_bus.c b/drivers/mmc/core/sdio_bus.c
index 51e23f502108..60885316afba 100644
--- a/drivers/mmc/core/sdio_bus.c
+++ b/drivers/mmc/core/sdio_bus.c
@@ -287,7 +287,7 @@ struct sdio_func *sdio_alloc_func(struct mmc_card *card)
 static void sdio_acpi_set_handle(struct sdio_func *func)
 {
         struct mmc_host *host = func->card->host;
-        u64 addr = (host->slotno << 16) | func->num;
+        u64 addr = ((u64)host->slotno << 16) | func->num;
 
         acpi_preset_companion(&func->dev, ACPI_COMPANION(host->parent), addr);
 }