From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Thu, 23 Oct 2014 11:37:00 +0000 (+0300)
Subject: mmc: core: silence a shift wrapping warning
X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=51d346068876bf4972efc61969d02958a087f3ee;p=deliverable%2Flinux.git

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 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);
 }