diff options
| author | Ryan Salsamendi <rsalsamendi@hotmail.com> | 2017-06-30 17:29:37 -0700 |
|---|---|---|
| committer | Nico Huber <nico.h@gmx.de> | 2017-07-03 10:33:16 +0000 |
| commit | fa0725dead0fdc7e9330e77c42ff4ed4b36a89c4 (patch) | |
| tree | 95f4af78e21bf1e8a07ab6d27d0224206721c406 /src/drivers | |
| parent | 889ce9c91ecabb40f079111b22124560c55be4e6 (diff) | |
northbridge/intel/haswell: Fix undefined behavior
Fix reports found by undefined behavior sanitizer. Left shifting an int
where the right operand is >= the width of the type is undefined. Add
UL suffix since it's safe for unsigned types.
Change-Id: If2d34e4f05494c17bf9b9dec113b8f6863214e56
Signed-off-by: Ryan Salsamendi <rsalsamendi@hotmail.com>
Reviewed-on: https://review.coreboot.org/20447
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Diffstat (limited to 'src/drivers')
| -rw-r--r-- | src/drivers/intel/gma/i915_reg.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/drivers/intel/gma/i915_reg.h b/src/drivers/intel/gma/i915_reg.h index dee6865224..e88ecfb87e 100644 --- a/src/drivers/intel/gma/i915_reg.h +++ b/src/drivers/intel/gma/i915_reg.h @@ -2979,7 +2979,7 @@ /* Ironlake */ #define CPU_VGACNTRL 0x41000 -#define CPU_VGA_DISABLE (1<<31) +#define CPU_VGA_DISABLE (1UL<<31) #define DIGITAL_PORT_HOTPLUG_CNTRL 0x44030 #define DIGITAL_PORTA_HOTPLUG_ENABLE (1 << 4) @@ -4177,7 +4177,7 @@ #define HSW_PWR_WELL_CTL2 0x45404 /* Driver */ #define HSW_PWR_WELL_CTL3 0x45408 /* KVMR */ #define HSW_PWR_WELL_CTL4 0x4540C /* Debug */ -#define HSW_PWR_WELL_ENABLE (1<<31) +#define HSW_PWR_WELL_ENABLE (1UL<<31) #define HSW_PWR_WELL_STATE (1<<30) #define HSW_PWR_WELL_CTL5 0x45410 #define HSW_PWR_WELL_ENABLE_SINGLE_STEP (1<<31) |