[kbuild-all] [xilinx-xlnx:xlnx_rebase_v5.15 561/872] sound/soc/xilinx/xlnx_pl_snd_card.c:391:3-9: ERROR: missing put_device; call of_find_device_by_node on line 399, but without a corresponding object release within this function. (fwd)

Wednesday, 9 February 2022

Hello,

I think that the rule output is not really correct, but there are some
problems:

* line 390: pnode is NULL, os the of_node_put is not needed.

* line 407: There should be an of_node_put before this return, like there
is before the previous one.

julia

---------- Forwarded message ----------
Date: Wed, 9 Feb 2022 00:10:21 +0800
From: kernel test robot <lkp(a)intel.com&gt;
To: kbuild(a)lists.01.org
Cc: lkp(a)intel.com, Julia Lawall <julia.lawall(a)lip6.fr&gt;
Subject: [xilinx-xlnx:xlnx_rebase_v5.15 561/872]
    sound/soc/xilinx/xlnx_pl_snd_card.c:391:3-9: ERROR: missing put_device; call
     of_find_device_by_node on line 399,
    but without a corresponding object release within this function.

CC: kbuild-all(a)lists.01.org
CC: linux-arm-kernel(a)lists.infradead.org
TO: Maruthi Srinivas Bayyavarapu <maruthi.srinivas.bayyavarapu(a)xilinx.com&gt;
CC: Michal Simek <monstr(a)monstr.eu&gt;
CC: Hyun Kwon <hyun.kwon(a)xilinx.com&gt;

tree:   https://github.com/Xilinx/linux-xlnx xlnx_rebase_v5.15
head:   1183ce490adb103e5e569b8ebd74c50c885ddc05
commit: c078611ad13fd9b920a3aa5a206a014322742227 [561/872] ASoC: xlnx: add PL sound card
support
:::::: branch date: 7 days ago
:::::: commit date: 7 days ago
config: ia64-randconfig-c023-20220208
(https://download.01.org/0day-ci/archive/20220208/202202082343.teK89qWC-lk...)
compiler: ia64-linux-gcc (GCC) 11.2.0

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp(a)intel.com&gt;
Reported-by: Julia Lawall <julia.lawall(a)lip6.fr&gt;

cocci warnings: (new ones prefixed by >>)
...
> sound/soc/xilinx/xlnx_pl_snd_card.c:391:3-9: ERROR: missing
put_device; call of_find_device_by_node on line 399, but without a corresponding object
release within this function.    sound/soc/xilinx/xlnx_pl_snd_card.c:407:4-10:
ERROR: missing put_device; call of_find_device_by_node on line 399, but without a
corresponding object release within this function.
   sound/soc/xilinx/xlnx_pl_snd_card.c:475:3-9: ERROR: missing put_device; call
of_find_device_by_node on line 399, but without a corresponding object release within this
function.
   sound/soc/xilinx/xlnx_pl_snd_card.c:489:3-9: ERROR: missing put_device; call
of_find_device_by_node on line 399, but without a corresponding object release within this
function.
   sound/soc/xilinx/xlnx_pl_snd_card.c:495:3-9: ERROR: missing put_device; call
of_find_device_by_node on line 399, but without a corresponding object release within this
function.
   sound/soc/xilinx/xlnx_pl_snd_card.c:507:3-9: ERROR: missing put_device; call
of_find_device_by_node on line 399, but without a corresponding object release within this
function.
   sound/soc/xilinx/xlnx_pl_snd_card.c:514:1-7: ERROR: missing put_device; call
of_find_device_by_node on line 399, but without a corresponding object release within this
function.

vim +391 sound/soc/xilinx/xlnx_pl_snd_card.c

c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  337
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  338  static int
xlnx_snd_probe(struct platform_device *pdev)
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  339  {
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  340  	u32 i, max_links = 0,
start_count = 0;
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  341  	size_t sz;
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  342  	char *buf;
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  343  	int ret, audio_interface;
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  344  	struct snd_soc_dai_link
*dai;
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  345  	struct pl_card_data *prv;
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  346  	struct platform_device
*iface_pdev;
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  347
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  348  	struct snd_soc_card *card;
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  349  	struct device_node **node =
pdev->dev.platform_data;
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  350
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  351  	if (!node)
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  352  		return -ENODEV;
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  353
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  354  	if (node[XLNX_PLAYBACK]
&& node[XLNX_CAPTURE]) {
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  355  		max_links = 2;
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  356  		start_count =
XLNX_PLAYBACK;
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  357  	} else if
(node[XLNX_PLAYBACK]) {
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  358  		max_links = 1;
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  359  		start_count =
XLNX_PLAYBACK;
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  360  	} else if
(node[XLNX_CAPTURE]) {
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  361  		max_links = 1;
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  362  		start_count =
XLNX_CAPTURE;
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  363  	}
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  364
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  365  	card =
devm_kzalloc(&pdev->dev, sizeof(struct snd_soc_card),
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  366  			    GFP_KERNEL);
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  367  	if (!card)
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  368  		return -ENOMEM;
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  369
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  370  	card->dev =
&pdev->dev;
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  371
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  372  	card->dai_link =
devm_kzalloc(card->dev,
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  373  				      sizeof(*dai) *
max_links,
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  374  				      GFP_KERNEL);
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  375  	if (!card->dai_link)
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  376  		return -ENOMEM;
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  377
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  378  	prv =
devm_kzalloc(card->dev,
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  379  			   sizeof(struct
pl_card_data),
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  380  			   GFP_KERNEL);
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  381  	if (!prv)
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  382  		return -ENOMEM;
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  383
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  384  	card->num_links = 0;
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  385  	for (i = start_count; i <
(start_count + max_links); i++) {
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  386  		struct device_node *pnode =
of_parse_phandle(node[i],
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  387  							    
"xlnx,snd-pcm", 0);
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  388  		if (!pnode) {
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  389  			dev_err(card->dev,
"platform node not found\n");
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  390  			of_node_put(pnode);
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06 @391  			return -ENODEV;
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  392  		}
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  393
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  394  		/*
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  395  		 * Check for either
playback or capture is enough, as
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  396  		 * same clock is used for
both.
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  397  		 */
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  398  		if (i == XLNX_PLAYBACK) {
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06 @399  			iface_pdev =
of_find_device_by_node(pnode);
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  400  			if (!iface_pdev) {
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  401  				of_node_put(pnode);
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  402  				return -ENODEV;
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  403  			}
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  404
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  405  			prv->mclk =
devm_clk_get(&iface_pdev->dev, "aud_mclk");
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  406  			if (IS_ERR(prv->mclk))
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  407  				return
PTR_ERR(prv->mclk);
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  408
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  409  		}
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  410  		of_node_put(pnode);
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  411
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  412  		if (max_links == 2)
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  413  			dai =
&card->dai_link[i];
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  414  		else
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  415  			dai =
&card->dai_link[0];
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  416
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  417  		audio_interface =
find_link(node[i], i);
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  418  		switch (audio_interface) {
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  419  		case I2S_AUDIO:
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  420  			*dai =
xlnx_snd_dai[I2S_AUDIO][i];
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  421 
			dai->platforms->of_node = pnode;
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  422  			dai->cpus->of_node =
node[i];
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  423  			card->num_links++;
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  424 
			snd_soc_card_set_drvdata(card, prv);
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  425  			dev_dbg(card->dev,
"%s registered\n",
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  426 
				card->dai_link[i].name);
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  427  			break;
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  428  		case HDMI_AUDIO:
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  429  			*dai =
xlnx_snd_dai[HDMI_AUDIO][i];
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  430 
			dai->platforms->of_node = pnode;
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  431  			if (i == XLNX_CAPTURE)
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  432 
				dai->codecs->of_node = node[i];
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  433  			card->num_links++;
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  434  			/* TODO: support multiple
sampling rates */
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  435  			prv->mclk_ratio = 384;
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  436 
			snd_soc_card_set_drvdata(card, prv);
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  437  			dev_dbg(card->dev,
"%s registered\n",
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  438 
				card->dai_link[i].name);
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  439  			break;
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  440  		case SDI_AUDIO:
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  441  			*dai =
xlnx_snd_dai[SDI_AUDIO][i];
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  442 
			dai->platforms->of_node = pnode;
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  443  			dai->codecs->of_node
= node[i];
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  444  			card->num_links++;
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  445  			/* TODO: support multiple
sampling rates */
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  446  			prv->mclk_ratio = 384;
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  447 
			snd_soc_card_set_drvdata(card, prv);
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  448  			dev_dbg(card->dev,
"%s registered\n",
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  449 
				card->dai_link[i].name);
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  450  			break;
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  451  		case SPDIF_AUDIO:
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  452  			*dai =
xlnx_snd_dai[SPDIF_AUDIO][i];
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  453 
			dai->platforms->of_node = pnode;
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  454  			dai->codecs->of_node
= node[i];
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  455  			card->num_links++;
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  456  			prv->mclk_ratio = 384;
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  457 
			snd_soc_card_set_drvdata(card, prv);
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  458  			dev_dbg(card->dev,
"%s registered\n",
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  459 
				card->dai_link[i].name);
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  460  			break;
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  461  		case DP_AUDIO:
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  462  			*dai =
xlnx_snd_dai[DP_AUDIO][i];
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  463 
			dai->platforms->of_node = pnode;
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  464  			if (i == XLNX_CAPTURE)
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  465 
				dai->codecs->of_node = node[i];
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  466  			card->num_links++;
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  467  			/* TODO: support multiple
sampling rates */
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  468  			prv->mclk_ratio = 512;
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  469 
			snd_soc_card_set_drvdata(card, prv);
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  470  			dev_dbg(card->dev,
"%s registered\n",
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  471 
				card->dai_link[i].name);
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  472  			break;
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  473  		default:
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  474  			dev_err(card->dev,
"Invalid audio interface\n");
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  475  			return -ENODEV;
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  476  		}
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  477  	}
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  478
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  479  	if (card->num_links) {
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  480  		/*
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  481  		 *  Example : i2s card name
= xlnx-i2s-snd-card-0
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  482  		 *  length = number of
chars in "xlnx-i2s-snd-card"
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  483  		 *	    + 1 ('-'), +
1 (card instance num)
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  484  		 *	    + 1 ('\0')
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  485  		 */
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  486  		sz =
strlen(xlnx_snd_card_name[audio_interface]) + 3;
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  487  		buf =
devm_kzalloc(card->dev, sz, GFP_KERNEL);
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  488  		if (!buf)
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  489  			return -ENOMEM;
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  490
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  491  		prv->xlnx_snd_dev_id =
ida_simple_get(&xlnx_snd_card_dev, 0,
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  492  						     
XLNX_MAX_PL_SND_DEV,
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  493  						      GFP_KERNEL);
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  494  		if (prv->xlnx_snd_dev_id
< 0)
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  495  			return
prv->xlnx_snd_dev_id;
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  496
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  497  		snprintf(buf, sz,
"%s-%d", xlnx_snd_card_name[audio_interface],
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  498  			
prv->xlnx_snd_dev_id);
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  499  		card->name = buf;
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  500
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  501  		ret =
devm_snd_soc_register_card(card->dev, card);
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  502  		if (ret) {
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  503  			dev_err(card->dev,
"%s registration failed\n",
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  504  				card->name);
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  505 
			ida_simple_remove(&xlnx_snd_card_dev,
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  506  					 
prv->xlnx_snd_dev_id);
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  507  			return ret;
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  508  		}
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  509
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  510 
		dev_set_drvdata(card->dev, prv);
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  511  		dev_info(card->dev,
"%s registered\n", card->name);
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  512  	}
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  513
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  514  	return 0;
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  515  }
c078611ad13fd9 Maruthi Srinivas Bayyavarapu 2018-09-06  516

---
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[kbuild-all] [xilinx-xlnx:xlnx_rebase_v5.15 561/872] sound/soc/xilinx/xlnx_pl_snd_card.c:391:3-9: ERROR: missing put_device; call of_find_device_by_node on line 399, but without a corresponding object release within this function. (fwd)