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Colin Ian King d26cbdd27f platform/surface: fix potential integer overflow on shift of a int 
The left shift of int 32 bit integer constant 1 is evaluated using 32 bit
arithmetic and then passed as a 64 bit function argument. In the case where
func is 32 or more this can lead to an oveflow.  Avoid this by shifting
using the BIT_ULL macro instead.

Addresses-Coverity: ("Unintentional integer overflow")
Fixes: fc00bc8ac1 ("platform/surface: Add Surface ACPI Notify driver")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Reviewed-by: Maximilian Luz <luzmaximilian@gmail.com>
Link: https://lore.kernel.org/r/20210111144648.20498-1-colin.king@canonical.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
2021-01-13 10:25:10 +01:00
..
chrome chrome platform changes for 5.11 2020-12-23 15:06:22 -08:00
goldfish
mellanox platform/mellanox: mlxbf-pmc: Add Mellanox BlueField PMC driver 2020-10-28 12:00:24 +01:00
mips MIPS: Loongson: Fix boot warning about hwmon_device_register() 2020-07-16 10:49:55 +02:00
olpc platform-drivers-x86 for v5.9-2 2020-10-05 11:54:20 -07:00
surface platform/surface: fix potential integer overflow on shift of a int 2021-01-13 10:25:10 +01:00
x86 platform/x86: ideapad-laptop: Disable touchpad_switch for ELAN0634 2021-01-13 10:23:33 +01:00
Kconfig platform: Add Surface platform directory 2020-10-27 12:51:03 +01:00
Makefile platform: Add Surface platform directory 2020-10-27 12:51:03 +01:00