[PATCH AUTOSEL 4.9 20/48] mmc: tmio: do not print real IOMEM pointer

From: Sasha Levin
Date: Tue Dec 22 2020 - 21:31:31 EST


From: Krzysztof Kozlowski <krzk@xxxxxxxxxx>

[ Upstream commit ade8e9d3fb9232ddfb87a4bc641b35b988d9757b ]

Printing kernel pointers is discouraged because they might leak kernel
memory layout. This fixes smatch warning:

drivers/mmc/host/tmio_mmc.c:177 tmio_mmc_probe() warn: argument 3 to %08lx specifier is cast from pointer

Reported-by: kernel test robot <lkp@xxxxxxxxx>
Reported-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Signed-off-by: Krzysztof Kozlowski <krzk@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20201116164252.44078-1-krzk@xxxxxxxxxx
Signed-off-by: Ulf Hansson <ulf.hansson@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/mmc/host/tmio_mmc.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/mmc/host/tmio_mmc.c b/drivers/mmc/host/tmio_mmc.c
index e897e7fc3b14c..052093db7d159 100644
--- a/drivers/mmc/host/tmio_mmc.c
+++ b/drivers/mmc/host/tmio_mmc.c
@@ -109,8 +109,7 @@ static int tmio_mmc_probe(struct platform_device *pdev)
if (ret)
goto host_remove;

- pr_info("%s at 0x%08lx irq %d\n", mmc_hostname(host->mmc),
- (unsigned long)host->ctl, irq);
+ pr_info("%s at 0x%p irq %d\n", mmc_hostname(host->mmc), host->ctl, irq);

return 0;

--
2.27.0