Hello Michal Kalderon, The patch 79284adeb99e: "qed: Add llh ppfid interface and 100g support for offload protocols" from May 26, 2019, leads to the following static checker warning: drivers/net/ethernet/qlogic/qed/qed_dev.c:1014 qed_llh_add_mac_filter() error: uninitialized symbol 'abs_ppfid'. drivers/net/ethernet/qlogic/qed/qed_dev.c 976 int qed_llh_add_mac_filter(struct qed_dev *cdev, 977 u8 ppfid, u8 mac_addr[ETH_ALEN]) 978 { 979 struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev); 980 struct qed_ptt *p_ptt = qed_ptt_acquire(p_hwfn); 981 union qed_llh_filter filter = {}; 982 u8 filter_idx, abs_ppfid; ^^^^^^^^^ 983 u32 high, low, ref_cnt; 984 int rc = 0; 985 986 if (!p_ptt) 987 return -EAGAIN; 988 989 if (!test_bit(QED_MF_LLH_MAC_CLSS, &cdev->mf_bits)) 990 goto out; 991 992 memcpy(filter.mac.addr, mac_addr, ETH_ALEN); 993 rc = qed_llh_shadow_add_filter(cdev, ppfid, 994 QED_LLH_FILTER_TYPE_MAC, 995 &filter, &filter_idx, &ref_cnt); 996 if (rc) 997 goto err; 998 999 /* Configure the LLH only in case of a new the filter */ 1000 if (ref_cnt == 1) { ^^^^^^^^^^^^ Assume != 1 1001 rc = qed_llh_abs_ppfid(cdev, ppfid, &abs_ppfid); 1002 if (rc) 1003 goto err; 1004 1005 high = mac_addr[1] | (mac_addr[0] << 8); 1006 low = mac_addr[5] | (mac_addr[4] << 8) | (mac_addr[3] << 16) | 1007 (mac_addr[2] << 24); 1008 rc = qed_llh_add_filter(p_hwfn, p_ptt, abs_ppfid, filter_idx, 1009 0, high, low); 1010 if (rc) 1011 goto err; 1012 } 1013 1014 DP_VERBOSE(cdev, 1015 QED_MSG_SP, 1016 "LLH: Added MAC filter [%pM] to ppfid %hhd [abs %hhd] at idx %hhd [ref_cnt %d]\n", 1017 mac_addr, ppfid, abs_ppfid, filter_idx, ref_cnt); ^^^^^^^^^ See also: drivers/net/ethernet/qlogic/qed/qed_dev.c:1160 qed_llh_add_protocol_filter() error: uninitialized symbol 'abs_ppfid'. drivers/net/ethernet/qlogic/qed/qed_dev.c:1210 qed_llh_remove_mac_filter() error: uninitialized symbol 'abs_ppfid'. drivers/net/ethernet/qlogic/qed/qed_dev.c:1268 qed_llh_remove_protocol_filter() error: uninitialized symbol 'abs_ppfid'. regards, dan carpenter