5045 use atomic_{inc,dec}_* instead of atomic_add_*

*** 289,303 ****
  #define MYRI10GE_SLICE_STAT_ADD(field, val)                             \
  (((struct myri10ge_slice_stat *)ss->ksp_stat->ks_data)->field.value.ul) += val
  #define MYRI10GE_SLICE_STAT_DEC(field)                                  \
  (((struct myri10ge_slice_stat *)ss->ksp_stat->ks_data)->field.value.ul)--
  #define MYRI10GE_ATOMIC_SLICE_STAT_INC(field)                           \
! atomic_add_long(&(((struct myri10ge_slice_stat *)                       \
!             ss->ksp_stat->ks_data)->field.value.ul), 1)
  #define MYRI10GE_ATOMIC_SLICE_STAT_DEC(field)                           \
! atomic_add_long(&(((struct myri10ge_slice_stat *)                       \
!             ss->ksp_stat->ks_data)->field.value.ul), -1)
  #define MYRI10GE_SLICE_STAT(field)                                      \
  (((struct myri10ge_slice_stat *)ss->ksp_stat->ks_data)->field.value.ul)
  
  
  struct myri10ge_tx_copybuf
--- 289,303 ----
  #define MYRI10GE_SLICE_STAT_ADD(field, val)                             \
  (((struct myri10ge_slice_stat *)ss->ksp_stat->ks_data)->field.value.ul) += val
  #define MYRI10GE_SLICE_STAT_DEC(field)                                  \
  (((struct myri10ge_slice_stat *)ss->ksp_stat->ks_data)->field.value.ul)--
  #define MYRI10GE_ATOMIC_SLICE_STAT_INC(field)                           \
! atomic_inc_ulong(&(((struct myri10ge_slice_stat *)                      \
!         ss->ksp_stat->ks_data)->field.value.ul))
  #define MYRI10GE_ATOMIC_SLICE_STAT_DEC(field)                           \
! atomic_dec_ulong(&(((struct myri10ge_slice_stat *)                      \
!         ss->ksp_stat->ks_data)->field.value.ul))
  #define MYRI10GE_SLICE_STAT(field)                                      \
  (((struct myri10ge_slice_stat *)ss->ksp_stat->ks_data)->field.value.ul)
  
  
  struct myri10ge_tx_copybuf