[PATCH AUTOSEL 4.19 32/87] mmc: tmio: do not print real IOMEM pointer
From: Sasha Levin
Date: Tue Dec 22 2020 - 21:47:29 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 43a2ea5cff24f..9564aaf71442b 100644
--- a/drivers/mmc/host/tmio_mmc.c
+++ b/drivers/mmc/host/tmio_mmc.c
@@ -114,8 +114,7 @@ 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