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@xxxxxxxxxx>
diff --git a/drivers/mmc/core/sdio_bus.c b/drivers/mmc/core/sdio_bus.c
index 6da97b1..9a98cc7 100644
--- a/drivers/mmc/core/sdio_bus.c
+++ b/drivers/mmc/core/sdio_bus.c
@@ -295,7 +295,7 @@ 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);
}
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