tree: https://github.com/morimoto/linux fw-cleanup-2021-02-01-v1 head: 5b4245224e7512af00a891f6bb91474bea0a361e commit: c8a125300801eaf71415c1283f742d19a5c641fb [32/105] ASoC: audio-graph: cleanup graph_for_each_link() config: x86_64-randconfig-m001-20210201 (attached as .config) compiler: gcc-9 (Debian 9.3.0-15) 9.3.0
If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <[email protected]> Reported-by: Dan Carpenter <[email protected]> smatch warnings: sound/soc/generic/audio-graph-card.c:514 __graph_for_each_link() error: uninitialized symbol 'ret'. vim +/ret +514 sound/soc/generic/audio-graph-card.c c8a125300801ea Kuninori Morimoto 2020-11-16 452 static int __graph_for_each_link(struct asoc_simple_priv *priv, fce9b90c1ab7e9 Kuninori Morimoto 2018-12-20 453 struct link_info *li, e59289cda8dec0 Kuninori Morimoto 2019-03-20 454 int (*func_noml)(struct asoc_simple_priv *priv, fce9b90c1ab7e9 Kuninori Morimoto 2018-12-20 455 struct device_node *cpu_ep, fce9b90c1ab7e9 Kuninori Morimoto 2018-12-20 456 struct device_node *codec_ep, fce9b90c1ab7e9 Kuninori Morimoto 2018-12-20 457 struct link_info *li), e59289cda8dec0 Kuninori Morimoto 2019-03-20 458 int (*func_dpcm)(struct asoc_simple_priv *priv, fce9b90c1ab7e9 Kuninori Morimoto 2018-12-20 459 struct device_node *cpu_ep, fce9b90c1ab7e9 Kuninori Morimoto 2018-12-20 460 struct device_node *codec_ep, c8a125300801ea Kuninori Morimoto 2020-11-16 461 struct link_info *li)) 2692c1c63c29ca Kuninori Morimoto 2017-04-20 462 { 2692c1c63c29ca Kuninori Morimoto 2017-04-20 463 struct of_phandle_iterator it; e59289cda8dec0 Kuninori Morimoto 2019-03-20 464 struct device *dev = simple_priv_to_dev(priv); fce9b90c1ab7e9 Kuninori Morimoto 2018-12-20 465 struct device_node *node = dev->of_node; ae3cb5790906b5 Kuninori Morimoto 2018-12-14 466 struct device_node *cpu_port; fce9b90c1ab7e9 Kuninori Morimoto 2018-12-20 467 struct device_node *cpu_ep; fce9b90c1ab7e9 Kuninori Morimoto 2018-12-20 468 struct device_node *codec_ep; fce9b90c1ab7e9 Kuninori Morimoto 2018-12-20 469 struct device_node *codec_port; ae3cb5790906b5 Kuninori Morimoto 2018-12-14 470 struct device_node *codec_port_old = NULL; ad11e59f52d6fc Kuninori Morimoto 2019-03-20 471 struct asoc_simple_data adata; 0e3460bceedc98 Kuninori Morimoto 2018-11-30 472 int rc, ret; 2692c1c63c29ca Kuninori Morimoto 2017-04-20 473 fce9b90c1ab7e9 Kuninori Morimoto 2018-12-20 474 /* loop for all listed CPU port */ 2692c1c63c29ca Kuninori Morimoto 2017-04-20 475 of_for_each_phandle(&it, rc, node, "dais", NULL, 0) { ae3cb5790906b5 Kuninori Morimoto 2018-12-14 476 cpu_port = it.node; ae3cb5790906b5 Kuninori Morimoto 2018-12-14 477 cpu_ep = NULL; fce9b90c1ab7e9 Kuninori Morimoto 2018-12-20 478 fce9b90c1ab7e9 Kuninori Morimoto 2018-12-20 479 /* loop for all CPU endpoint */ ae3cb5790906b5 Kuninori Morimoto 2018-12-14 480 while (1) { ae3cb5790906b5 Kuninori Morimoto 2018-12-14 481 cpu_ep = of_get_next_child(cpu_port, cpu_ep); ae3cb5790906b5 Kuninori Morimoto 2018-12-14 482 if (!cpu_ep) ae3cb5790906b5 Kuninori Morimoto 2018-12-14 483 break; ae3cb5790906b5 Kuninori Morimoto 2018-12-14 484 fce9b90c1ab7e9 Kuninori Morimoto 2018-12-20 485 /* get codec */ ae3cb5790906b5 Kuninori Morimoto 2018-12-14 486 codec_ep = of_graph_get_remote_endpoint(cpu_ep); ae3cb5790906b5 Kuninori Morimoto 2018-12-14 487 codec_port = of_get_parent(codec_ep); c0a480d1acf7dc Tony Lindgren 2017-07-28 488 fce9b90c1ab7e9 Kuninori Morimoto 2018-12-20 489 /* get convert-xxx property */ de2949fe262197 Kuninori Morimoto 2018-12-20 490 memset(&adata, 0, sizeof(adata)); d2bf008ad11abc Kuninori Morimoto 2019-03-18 491 graph_parse_convert(dev, codec_ep, &adata); d2bf008ad11abc Kuninori Morimoto 2019-03-18 492 graph_parse_convert(dev, cpu_ep, &adata); de2949fe262197 Kuninori Morimoto 2018-12-20 493 d09c774f2f9ff2 Sameer Pujar 2020-11-02 494 /* check if link requires DPCM parsing */ c8a125300801ea Kuninori Morimoto 2020-11-16 495 if (parse_as_dpcm_link(priv, codec_port, &adata)) { c8a125300801ea Kuninori Morimoto 2020-11-16 496 /* c8a125300801ea Kuninori Morimoto 2020-11-16 497 * Codec endpoint can be NULL for pluggable audio HW. c8a125300801ea Kuninori Morimoto 2020-11-16 498 * Platform DT can populate the Codec endpoint depending on the c8a125300801ea Kuninori Morimoto 2020-11-16 499 * plugged HW. c8a125300801ea Kuninori Morimoto 2020-11-16 500 */ c8a125300801ea Kuninori Morimoto 2020-11-16 501 /* Do it all CPU endpoint, and 1st Codec endpoint */ c8a125300801ea Kuninori Morimoto 2020-11-16 502 if (li->cpu || c8a125300801ea Kuninori Morimoto 2020-11-16 503 ((codec_port_old != codec_port) && codec_ep)) c8a125300801ea Kuninori Morimoto 2020-11-16 504 ret = func_dpcm(priv, cpu_ep, codec_ep, li); "ret" not initialized on else path. fce9b90c1ab7e9 Kuninori Morimoto 2018-12-20 505 /* else normal sound */ c8a125300801ea Kuninori Morimoto 2020-11-16 506 } else { c8a125300801ea Kuninori Morimoto 2020-11-16 507 if (li->cpu) fce9b90c1ab7e9 Kuninori Morimoto 2018-12-20 508 ret = func_noml(priv, cpu_ep, codec_ep, li); "ret" not initialized if "li->cpu == 0". c8a125300801ea Kuninori Morimoto 2020-11-16 509 } fce9b90c1ab7e9 Kuninori Morimoto 2018-12-20 510 1bcc1fd64e4dd9 Wen Yang 2019-07-04 511 of_node_put(codec_ep); 1bcc1fd64e4dd9 Wen Yang 2019-07-04 512 of_node_put(codec_port); 1bcc1fd64e4dd9 Wen Yang 2019-07-04 513 ae3cb5790906b5 Kuninori Morimoto 2018-12-14 @514 if (ret < 0) 2692c1c63c29ca Kuninori Morimoto 2017-04-20 515 return ret; fce9b90c1ab7e9 Kuninori Morimoto 2018-12-20 516 dd98fbc558a035 Kuninori Morimoto 2018-12-20 517 codec_port_old = codec_port; 2692c1c63c29ca Kuninori Morimoto 2017-04-20 518 } c0a480d1acf7dc Tony Lindgren 2017-07-28 519 } fce9b90c1ab7e9 Kuninori Morimoto 2018-12-20 520 fce9b90c1ab7e9 Kuninori Morimoto 2018-12-20 521 return 0; fce9b90c1ab7e9 Kuninori Morimoto 2018-12-20 522 } --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/[email protected]
.config.gz
Description: application/gzip
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