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* [morimoto-linux:fw-cleanup-2021-02-01-v1 32/105] sound/soc/generic/audio-graph-card.c:514 __graph_for_each_link() error: uninitialized symbol 'ret'.
@ 2021-02-01  5:44 kernel test robot
  0 siblings, 0 replies; 3+ messages in thread
From: kernel test robot @ 2021-02-01  5:44 UTC (permalink / raw)
  To: kbuild

[-- Attachment #1: Type: text/plain, Size: 6908 bytes --]

CC: kbuild-all(a)lists.01.org
TO: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>

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()
:::::: branch date: 77 minutes ago
:::::: commit date: 10 days ago
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 <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>

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

d09c774f2f9ff2 Sameer Pujar      2020-11-02  451  
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);
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);
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  }
fce9b90c1ab7e9 Kuninori Morimoto 2018-12-20  523  

:::::: The code@line 514 was first introduced by commit
:::::: ae3cb5790906b5caf519f6f21792c30fb5ddf8db ASoC: audio-graph-card: merge audio-graph-scu-card

:::::: TO: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
:::::: CC: Mark Brown <broonie@kernel.org>

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org

[-- Attachment #2: config.gz --]
[-- Type: application/gzip, Size: 38320 bytes --]

^ permalink raw reply	[flat|nested] 3+ messages in thread

* [morimoto-linux:fw-cleanup-2021-02-01-v1 32/105] sound/soc/generic/audio-graph-card.c:514 __graph_for_each_link() error: uninitialized symbol 'ret'.
@ 2021-02-02  7:16 ` Dan Carpenter
  0 siblings, 0 replies; 3+ messages in thread
From: Dan Carpenter @ 2021-02-02  7:16 UTC (permalink / raw)
  To: kbuild

[-- Attachment #1: Type: text/plain, Size: 6459 bytes --]

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 <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>

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/kbuild-all@lists.01.org

[-- Attachment #2: config.gz --]
[-- Type: application/gzip, Size: 38320 bytes --]

^ permalink raw reply	[flat|nested] 3+ messages in thread

* [morimoto-linux:fw-cleanup-2021-02-01-v1 32/105] sound/soc/generic/audio-graph-card.c:514 __graph_for_each_link() error: uninitialized symbol 'ret'.
@ 2021-02-02  7:16 ` Dan Carpenter
  0 siblings, 0 replies; 3+ messages in thread
From: Dan Carpenter @ 2021-02-02  7:16 UTC (permalink / raw)
  To: kbuild-all

[-- Attachment #1: Type: text/plain, Size: 6459 bytes --]

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 <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>

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/kbuild-all@lists.01.org

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2021-02-02  7:16 [morimoto-linux:fw-cleanup-2021-02-01-v1 32/105] sound/soc/generic/audio-graph-card.c:514 __graph_for_each_link() error: uninitialized symbol 'ret' Dan Carpenter
2021-02-02  7:16 ` Dan Carpenter
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2021-02-01  5:44 kernel test robot

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