From: Jacob Keller <jacob.e.kel...@intel.com> GCC 6 has a new warning which will display when you attempt to left shift a signed value beyond the storage size of the type. I40E_MASK generates a mask value for 32bit registers. Properly typecast the mask value and place the values in parenthesis to prevent macro expansion issues.
Signed-off-by: Jacob Keller <jacob.e.kel...@intel.com> Tested-by: Andrew Bowers <andrewx.bow...@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirs...@intel.com> --- drivers/net/ethernet/intel/i40e/i40e_type.h | 2 +- drivers/net/ethernet/intel/i40evf/i40e_type.h | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/net/ethernet/intel/i40e/i40e_type.h b/drivers/net/ethernet/intel/i40e/i40e_type.h index 8aa14aa..bd5f13b 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_type.h +++ b/drivers/net/ethernet/intel/i40e/i40e_type.h @@ -36,7 +36,7 @@ #include "i40e_devids.h" /* I40E_MASK is a macro used on 32 bit registers */ -#define I40E_MASK(mask, shift) (mask << shift) +#define I40E_MASK(mask, shift) ((u32)(mask) << (shift)) #define I40E_MAX_VSI_QP 16 #define I40E_MAX_VF_VSI 3 diff --git a/drivers/net/ethernet/intel/i40evf/i40e_type.h b/drivers/net/ethernet/intel/i40evf/i40e_type.h index bfc97c2..97f96e0 100644 --- a/drivers/net/ethernet/intel/i40evf/i40e_type.h +++ b/drivers/net/ethernet/intel/i40evf/i40e_type.h @@ -36,7 +36,7 @@ #include "i40e_devids.h" /* I40E_MASK is a macro used on 32 bit registers */ -#define I40E_MASK(mask, shift) (mask << shift) +#define I40E_MASK(mask, shift) ((u32)(mask) << (shift)) #define I40E_MAX_VSI_QP 16 #define I40E_MAX_VF_VSI 3 -- 2.5.5
