CC: kbuild-...@lists.01.org BCC: l...@intel.com CC: linux-ker...@vger.kernel.org TO: Prabhakar Kushwaha <pkushw...@marvell.com> CC: Ariel Elior <ael...@marvell.com> CC: Shai Malin <sma...@marvell.com> CC: Omkar Kulkarni <okulka...@marvell.com>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: feb9c5e19e913b53cb536a7aa7c9f20107bb51ec commit: 6c95dd8f0aa1d983e857a755fca7001677d1dcb5 qed: Update debug related changes date: 7 months ago :::::: branch date: 20 hours ago :::::: commit date: 7 months ago config: csky-randconfig-m031-20220508 (https://download.01.org/0day-ci/archive/20220511/202205112230.u0jcmh6d-...@intel.com/config) compiler: csky-linux-gcc (GCC) 11.3.0 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <l...@intel.com> Reported-by: Dan Carpenter <dan.carpen...@oracle.com> New smatch warnings: drivers/net/ethernet/qlogic/qed/qed_debug.c:7955 format_feature() error: uninitialized symbol 'txt_size_bytes'. Old smatch warnings: drivers/net/ethernet/qlogic/qed/qed_debug.c:5262 qed_dbg_grc_config() warn: unsigned 'grc_param' is never less than zero. drivers/net/ethernet/qlogic/qed/qed_debug.c:8043 qed_dbg_dump() error: uninitialized symbol 'buf_size_dwords'. drivers/net/ethernet/qlogic/qed/qed_debug.c:8637 qed_dbg_feature_size() error: uninitialized symbol 'buf_size_dwords'. vim +/txt_size_bytes +7955 drivers/net/ethernet/qlogic/qed/qed_debug.c c965db44462919 Tomer Tayar 2016-09-07 7924 c965db44462919 Tomer Tayar 2016-09-07 7925 #define QED_RESULTS_BUF_MIN_SIZE 16 c965db44462919 Tomer Tayar 2016-09-07 7926 /* Generic function for decoding debug feature info */ 8c93beaf5714b9 Yuval Mintz 2016-10-13 7927 static enum dbg_status format_feature(struct qed_hwfn *p_hwfn, c965db44462919 Tomer Tayar 2016-09-07 7928 enum qed_dbg_features feature_idx) c965db44462919 Tomer Tayar 2016-09-07 7929 { c965db44462919 Tomer Tayar 2016-09-07 7930 struct qed_dbg_feature *feature = ca352f00756e7b Igor Russkikh 2020-05-14 7931 &p_hwfn->cdev->dbg_features[feature_idx]; 6c95dd8f0aa1d9 Prabhakar Kushwaha 2021-10-04 7932 u32 txt_size_bytes, null_char_pos, i; 6c95dd8f0aa1d9 Prabhakar Kushwaha 2021-10-04 7933 u32 *dbuf, dwords; c965db44462919 Tomer Tayar 2016-09-07 7934 enum dbg_status rc; c965db44462919 Tomer Tayar 2016-09-07 7935 char *text_buf; c965db44462919 Tomer Tayar 2016-09-07 7936 c965db44462919 Tomer Tayar 2016-09-07 7937 /* Check if feature supports formatting capability */ c965db44462919 Tomer Tayar 2016-09-07 7938 if (!qed_features_lookup[feature_idx].results_buf_size) c965db44462919 Tomer Tayar 2016-09-07 7939 return DBG_STATUS_OK; c965db44462919 Tomer Tayar 2016-09-07 7940 6c95dd8f0aa1d9 Prabhakar Kushwaha 2021-10-04 7941 dbuf = (u32 *)feature->dump_buf; 6c95dd8f0aa1d9 Prabhakar Kushwaha 2021-10-04 7942 dwords = feature->dumped_dwords; 6c95dd8f0aa1d9 Prabhakar Kushwaha 2021-10-04 7943 c965db44462919 Tomer Tayar 2016-09-07 7944 /* Obtain size of formatted output */ 6c95dd8f0aa1d9 Prabhakar Kushwaha 2021-10-04 7945 rc = qed_features_lookup[feature_idx].results_buf_size(p_hwfn, 6c95dd8f0aa1d9 Prabhakar Kushwaha 2021-10-04 7946 dbuf, 6c95dd8f0aa1d9 Prabhakar Kushwaha 2021-10-04 7947 dwords, 6c95dd8f0aa1d9 Prabhakar Kushwaha 2021-10-04 7948 &txt_size_bytes); c965db44462919 Tomer Tayar 2016-09-07 7949 if (rc != DBG_STATUS_OK) c965db44462919 Tomer Tayar 2016-09-07 7950 return rc; c965db44462919 Tomer Tayar 2016-09-07 7951 6c95dd8f0aa1d9 Prabhakar Kushwaha 2021-10-04 7952 /* Make sure that the allocated size is a multiple of dword 6c95dd8f0aa1d9 Prabhakar Kushwaha 2021-10-04 7953 * (4 bytes). 6c95dd8f0aa1d9 Prabhakar Kushwaha 2021-10-04 7954 */ 6c95dd8f0aa1d9 Prabhakar Kushwaha 2021-10-04 @7955 null_char_pos = txt_size_bytes - 1; 6c95dd8f0aa1d9 Prabhakar Kushwaha 2021-10-04 7956 txt_size_bytes = (txt_size_bytes + 3) & ~0x3; c965db44462919 Tomer Tayar 2016-09-07 7957 6c95dd8f0aa1d9 Prabhakar Kushwaha 2021-10-04 7958 if (txt_size_bytes < QED_RESULTS_BUF_MIN_SIZE) { c965db44462919 Tomer Tayar 2016-09-07 7959 DP_NOTICE(p_hwfn->cdev, c965db44462919 Tomer Tayar 2016-09-07 7960 "formatted size of feature was too small %d. Aborting\n", 6c95dd8f0aa1d9 Prabhakar Kushwaha 2021-10-04 7961 txt_size_bytes); c965db44462919 Tomer Tayar 2016-09-07 7962 return DBG_STATUS_INVALID_ARGS; c965db44462919 Tomer Tayar 2016-09-07 7963 } c965db44462919 Tomer Tayar 2016-09-07 7964 6c95dd8f0aa1d9 Prabhakar Kushwaha 2021-10-04 7965 /* allocate temp text buf */ 6c95dd8f0aa1d9 Prabhakar Kushwaha 2021-10-04 7966 text_buf = vzalloc(txt_size_bytes); 6c95dd8f0aa1d9 Prabhakar Kushwaha 2021-10-04 7967 if (!text_buf) { 6c95dd8f0aa1d9 Prabhakar Kushwaha 2021-10-04 7968 DP_NOTICE(p_hwfn->cdev, 6c95dd8f0aa1d9 Prabhakar Kushwaha 2021-10-04 7969 "failed to allocate text buffer. Aborting\n"); c965db44462919 Tomer Tayar 2016-09-07 7970 return DBG_STATUS_VIRT_MEM_ALLOC_FAILED; 6c95dd8f0aa1d9 Prabhakar Kushwaha 2021-10-04 7971 } c965db44462919 Tomer Tayar 2016-09-07 7972 c965db44462919 Tomer Tayar 2016-09-07 7973 /* Decode feature opcodes to string on temp buf */ 6c95dd8f0aa1d9 Prabhakar Kushwaha 2021-10-04 7974 rc = qed_features_lookup[feature_idx].print_results(p_hwfn, 6c95dd8f0aa1d9 Prabhakar Kushwaha 2021-10-04 7975 dbuf, 6c95dd8f0aa1d9 Prabhakar Kushwaha 2021-10-04 7976 dwords, 6c95dd8f0aa1d9 Prabhakar Kushwaha 2021-10-04 7977 text_buf); c965db44462919 Tomer Tayar 2016-09-07 7978 if (rc != DBG_STATUS_OK) { c965db44462919 Tomer Tayar 2016-09-07 7979 vfree(text_buf); c965db44462919 Tomer Tayar 2016-09-07 7980 return rc; c965db44462919 Tomer Tayar 2016-09-07 7981 } c965db44462919 Tomer Tayar 2016-09-07 7982 c965db44462919 Tomer Tayar 2016-09-07 7983 /* Replace the original null character with a '\n' character. c965db44462919 Tomer Tayar 2016-09-07 7984 * The bytes that were added as a result of the dword alignment are also c965db44462919 Tomer Tayar 2016-09-07 7985 * padded with '\n' characters. c965db44462919 Tomer Tayar 2016-09-07 7986 */ 6c95dd8f0aa1d9 Prabhakar Kushwaha 2021-10-04 7987 for (i = null_char_pos; i < txt_size_bytes; i++) c965db44462919 Tomer Tayar 2016-09-07 7988 text_buf[i] = '\n'; c965db44462919 Tomer Tayar 2016-09-07 7989 c965db44462919 Tomer Tayar 2016-09-07 7990 /* Dump printable feature to log */ ca352f00756e7b Igor Russkikh 2020-05-14 7991 if (p_hwfn->cdev->print_dbg_data) 6c95dd8f0aa1d9 Prabhakar Kushwaha 2021-10-04 7992 qed_dbg_print_feature(text_buf, txt_size_bytes); c965db44462919 Tomer Tayar 2016-09-07 7993 6c95dd8f0aa1d9 Prabhakar Kushwaha 2021-10-04 7994 /* Dump binary data as is to the output file */ da3287111ab43b Alexander Lobakin 2020-07-06 7995 if (p_hwfn->cdev->dbg_bin_dump) { da3287111ab43b Alexander Lobakin 2020-07-06 7996 vfree(text_buf); 6c95dd8f0aa1d9 Prabhakar Kushwaha 2021-10-04 7997 return rc; da3287111ab43b Alexander Lobakin 2020-07-06 7998 } da3287111ab43b Alexander Lobakin 2020-07-06 7999 6c95dd8f0aa1d9 Prabhakar Kushwaha 2021-10-04 8000 /* Free the old dump_buf and point the dump_buf to the newly allocated c965db44462919 Tomer Tayar 2016-09-07 8001 * and formatted text buffer. c965db44462919 Tomer Tayar 2016-09-07 8002 */ c965db44462919 Tomer Tayar 2016-09-07 8003 vfree(feature->dump_buf); c965db44462919 Tomer Tayar 2016-09-07 8004 feature->dump_buf = text_buf; 6c95dd8f0aa1d9 Prabhakar Kushwaha 2021-10-04 8005 feature->buf_size = txt_size_bytes; 6c95dd8f0aa1d9 Prabhakar Kushwaha 2021-10-04 8006 feature->dumped_dwords = txt_size_bytes / 4; 6c95dd8f0aa1d9 Prabhakar Kushwaha 2021-10-04 8007 c965db44462919 Tomer Tayar 2016-09-07 8008 return rc; c965db44462919 Tomer Tayar 2016-09-07 8009 } c965db44462919 Tomer Tayar 2016-09-07 8010 -- 0-DAY CI Kernel Test Service https://01.org/lkp _______________________________________________ kbuild mailing list -- kbuild@lists.01.org To unsubscribe send an email to kbuild-le...@lists.01.org
