ACPI: sbshc: remove raw pointer from printk() message

Orabug: 27501257
CVE: CVE-2018-5750

There's no need to be printing a raw kernel pointer to the kernel log at
every boot.  So just remove it, and change the whole message to use the
correct dev_info() call at the same time.

Reported-by: Wang Qize <wang_qize@venustech.com.cn>
Cc: All applicable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
(cherry picked from commit 43cdd1b716b26f6af16da4e145b6578f98798bf6)

Reviewed-by: Shan Hai <shan.hai@oracle.com>
Signed-off-by: Allen Pais <allen.pais@oracle.com>
Signed-off-by: Brian Maly <brian.maly@oracle.com>

diff --git a/drivers/acpi/sbshc.c b/drivers/acpi/sbshc.c
index bf034f8b7c1acde77f90ded7f39f70dbd636b7db..030ab2f543df58534956d770d97fd6ce012dde1f 100644 (file)
--- a/drivers/acpi/sbshc.c
+++ b/drivers/acpi/sbshc.c
@@ -309,8 +309,8 @@ static int acpi_smbus_hc_add(struct acpi_device *device)
        device->driver_data = hc;
 
        acpi_ec_add_query_handler(hc->ec, hc->query_bit, NULL, smbus_alarm, hc);
-       printk(KERN_INFO PREFIX "SBS HC: EC = 0x%p, offset = 0x%0x, query_bit = 0x%0x\n",
-               hc->ec, hc->offset, hc->query_bit);
+       dev_info(&device->dev, "SBS HC: offset = 0x%0x, query_bit = 0x%0x\n",
+                hc->offset, hc->query_bit);
 
        return 0;
 }