Hi,
kernel test robot noticed the following build warnings:
https://git-scm.com/docs/git-format-patch#_base_tree_information]
url: https://github.com/intel-lab-lkp/linux/commits/srinivas-kandagatla-linaro-or... base: https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git for-next patch link: https://lore.kernel.org/r/20240510175835.286775-2-srinivas.kandagatla%40lina... patch subject: [PATCH 1/2] ASoC: codecs: lpass-macro: add helpers to get codec version config: sparc-randconfig-r081-20240512 (https://download.01.org/0day-ci/archive/20240512/202405120735.qbbiUPaX-lkp@i...) compiler: sparc64-linux-gcc (GCC) 13.2.0
If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot lkp@intel.com | Reported-by: Dan Carpenter dan.carpenter@linaro.org | Closes: https://lore.kernel.org/r/202405120735.qbbiUPaX-lkp@intel.com/
smatch warnings: sound/soc/codecs/lpass-va-macro.c:1485 va_macro_set_lpass_codec_version() error: uninitialized symbol 'version'.
vim +/version +1485 sound/soc/codecs/lpass-va-macro.c
787a4e6d2bc156 Srinivas Kandagatla 2024-05-10 1464 static void va_macro_set_lpass_codec_version(struct va_macro *va) 787a4e6d2bc156 Srinivas Kandagatla 2024-05-10 1465 { 787a4e6d2bc156 Srinivas Kandagatla 2024-05-10 1466 int core_id_0 = 0, core_id_1 = 0, core_id_2 = 0, version; 787a4e6d2bc156 Srinivas Kandagatla 2024-05-10 1467 787a4e6d2bc156 Srinivas Kandagatla 2024-05-10 1468 regmap_read(va->regmap, CDC_VA_TOP_CSR_CORE_ID_0, &core_id_0); 787a4e6d2bc156 Srinivas Kandagatla 2024-05-10 1469 regmap_read(va->regmap, CDC_VA_TOP_CSR_CORE_ID_1, &core_id_1); 787a4e6d2bc156 Srinivas Kandagatla 2024-05-10 1470 regmap_read(va->regmap, CDC_VA_TOP_CSR_CORE_ID_2, &core_id_2); 787a4e6d2bc156 Srinivas Kandagatla 2024-05-10 1471 787a4e6d2bc156 Srinivas Kandagatla 2024-05-10 1472 if ((core_id_0 == 0x01) && (core_id_1 == 0x0F)) 787a4e6d2bc156 Srinivas Kandagatla 2024-05-10 1473 version = LPASS_CODEC_VERSION_2_0; 787a4e6d2bc156 Srinivas Kandagatla 2024-05-10 1474 if ((core_id_0 == 0x02) && (core_id_1 == 0x0E)) 787a4e6d2bc156 Srinivas Kandagatla 2024-05-10 1475 version = LPASS_CODEC_VERSION_2_1; 787a4e6d2bc156 Srinivas Kandagatla 2024-05-10 1476 if ((core_id_0 == 0x02) && (core_id_1 == 0x0F) && (core_id_2 == 0x50 || core_id_2 == 0x51)) 787a4e6d2bc156 Srinivas Kandagatla 2024-05-10 1477 version = LPASS_CODEC_VERSION_2_5; 787a4e6d2bc156 Srinivas Kandagatla 2024-05-10 1478 if ((core_id_0 == 0x02) && (core_id_1 == 0x0F) && (core_id_2 == 0x60 || core_id_2 == 0x61)) 787a4e6d2bc156 Srinivas Kandagatla 2024-05-10 1479 version = LPASS_CODEC_VERSION_2_6; 787a4e6d2bc156 Srinivas Kandagatla 2024-05-10 1480 if ((core_id_0 == 0x02) && (core_id_1 == 0x0F) && (core_id_2 == 0x70 || core_id_2 == 0x71)) 787a4e6d2bc156 Srinivas Kandagatla 2024-05-10 1481 version = LPASS_CODEC_VERSION_2_7; 787a4e6d2bc156 Srinivas Kandagatla 2024-05-10 1482 if ((core_id_0 == 0x02) && (core_id_1 == 0x0F) && (core_id_2 == 0x80 || core_id_2 == 0x81)) 787a4e6d2bc156 Srinivas Kandagatla 2024-05-10 1483 version = LPASS_CODEC_VERSION_2_8;
Uninitialized on else path.
787a4e6d2bc156 Srinivas Kandagatla 2024-05-10 1484 787a4e6d2bc156 Srinivas Kandagatla 2024-05-10 @1485 lpass_macro_set_codec_version(version); 787a4e6d2bc156 Srinivas Kandagatla 2024-05-10 1486 787a4e6d2bc156 Srinivas Kandagatla 2024-05-10 1487 dev_info(va->dev, "LPASS Codec Version %s\n", 787a4e6d2bc156 Srinivas Kandagatla 2024-05-10 1488 lpass_macro_get_codec_version_string(version)); 787a4e6d2bc156 Srinivas Kandagatla 2024-05-10 1489 }