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>

diff --git a/drivers/mmc/core/sdio_bus.c b/drivers/mmc/core/sdio_bus.c
index 51e23f50210864904bb589f683e86100c4255f86..60885316afbae7051390b0c86fcf5659173b9376 100644 (file)
--- 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);
 }