Hi Raju,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on net-next/master]

url:    
https://github.com/0day-ci/linux/commits/Raju-Rangoju/cxgb4-Reference-count-MPS-TCAM-entries-within-a-PF/20190624-230630
config: x86_64-rhel-7.2 (attached as .config)
compiler: clang version 9.0.0 (git://gitmirror/llvm_project 
fb2bd4a9398b35ee4f732ea0847d9c1226fc4cf3)
reproduce:
        # save the attached .config to linux build tree
        make ARCH=x86_64 

If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <[email protected]>

All errors (new ones prefixed by >>):

>> drivers/net//ethernet/chelsio/cxgb4/cxgb4_mps.c:17:29: error: incompatible 
>> pointer types passing 'refcount_t *' (aka 'struct refcount_struct *') to 
>> parameter of type 'atomic_t *' [-Werror,-Wincompatible-pointer-types]
                           if (!atomic_dec_and_test(&mps_entry->refcnt)) {
                                                    ^~~~~~~~~~~~~~~~~~
   include/asm-generic/atomic-instrumented.h:745:31: note: passing argument to 
parameter 'v' here
   atomic_dec_and_test(atomic_t *v)
                                 ^
   1 error generated.

vim +17 drivers/net//ethernet/chelsio/cxgb4/cxgb4_mps.c

     5  
     6  static int cxgb4_mps_ref_dec_by_mac(struct adapter *adap,
     7                                      const u8 *addr, const u8 *mask)
     8  {
     9          u8 bitmask[] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
    10          struct mps_entries_ref *mps_entry, *tmp;
    11          int ret = -EINVAL;
    12  
    13          spin_lock_bh(&adap->mps_ref_lock);
    14          list_for_each_entry_safe(mps_entry, tmp, &adap->mps_ref, list) {
    15                  if (ether_addr_equal(mps_entry->addr, addr) &&
    16                      ether_addr_equal(mps_entry->mask, mask ? mask : 
bitmask)) {
  > 17                          if (!atomic_dec_and_test(&mps_entry->refcnt)) {
    18                                  spin_unlock_bh(&adap->mps_ref_lock);
    19                                  return -EBUSY;
    20                          }
    21                          list_del(&mps_entry->list);
    22                          kfree(mps_entry);
    23                          ret = 0;
    24                          break;
    25                  }
    26          }
    27          spin_unlock_bh(&adap->mps_ref_lock);
    28          return ret;
    29  }
    30  

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

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