drivers/dma/pxa_dma.c:1266 pxad_init_phys() error: uninitialized symbol 'ret'.

drivers/dma/pxa_dma.c:1266 pxad_init_phys() error: uninitialized symbol 'ret'.

[kernel test robot]

BCC: lkp@intel.com
CC: oe-kbuild-all@lists.linux.dev
CC: linux-kernel@vger.kernel.org
TO: Krzysztof Kozlowski <krzk@kernel.org>
CC: Vinod Koul <vkoul@kernel.org>

Hi Krzysztof,

First bad commit (maybe != root cause):

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   9d9c1cfec01cdbf24bd9322ed555713a20422115
commit: 9fc2f03e85952ee52558ab844473a8284d924a56 dmaengine: pxa: Enable compile test
date:   10 months ago
:::::: branch date: 12 hours ago
:::::: commit date: 10 months ago
config: nios2-randconfig-r071-20251213 (https://download.01.org/0day-ci/archive/20251214/202512140423.NHUDKey7-lkp@intel.com/config)
compiler: nios2-linux-gcc (GCC) 11.5.0

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 <error27@gmail.com>
| Closes: https://lore.kernel.org/r/202512140423.NHUDKey7-lkp@intel.com/

smatch warnings:
drivers/dma/pxa_dma.c:1266 pxad_init_phys() error: uninitialized symbol 'ret'.

vim +/ret +1266 drivers/dma/pxa_dma.c

a57e16cf03339c Robert Jarzmik 2015-05-25  1232  
a57e16cf03339c Robert Jarzmik 2015-05-25  1233  static int pxad_init_phys(struct platform_device *op,
a57e16cf03339c Robert Jarzmik 2015-05-25  1234  			  struct pxad_device *pdev,
a57e16cf03339c Robert Jarzmik 2015-05-25  1235  			  unsigned int nb_phy_chans)
a57e16cf03339c Robert Jarzmik 2015-05-25  1236  {
a57e16cf03339c Robert Jarzmik 2015-05-25  1237  	int irq0, irq, nr_irq = 0, i, ret;
a57e16cf03339c Robert Jarzmik 2015-05-25  1238  	struct pxad_phy *phy;
a57e16cf03339c Robert Jarzmik 2015-05-25  1239  
a57e16cf03339c Robert Jarzmik 2015-05-25  1240  	irq0 = platform_get_irq(op, 0);
a57e16cf03339c Robert Jarzmik 2015-05-25  1241  	if (irq0 < 0)
a57e16cf03339c Robert Jarzmik 2015-05-25  1242  		return irq0;
a57e16cf03339c Robert Jarzmik 2015-05-25  1243  
a57e16cf03339c Robert Jarzmik 2015-05-25  1244  	pdev->phys = devm_kcalloc(&op->dev, nb_phy_chans,
a57e16cf03339c Robert Jarzmik 2015-05-25  1245  				  sizeof(pdev->phys[0]), GFP_KERNEL);
a57e16cf03339c Robert Jarzmik 2015-05-25  1246  	if (!pdev->phys)
a57e16cf03339c Robert Jarzmik 2015-05-25  1247  		return -ENOMEM;
a57e16cf03339c Robert Jarzmik 2015-05-25  1248  
a57e16cf03339c Robert Jarzmik 2015-05-25  1249  	for (i = 0; i < nb_phy_chans; i++)
b3d726cb8497c6 Doug Brown     2022-09-05  1250  		if (platform_get_irq_optional(op, i) > 0)
a57e16cf03339c Robert Jarzmik 2015-05-25  1251  			nr_irq++;
a57e16cf03339c Robert Jarzmik 2015-05-25  1252  
a57e16cf03339c Robert Jarzmik 2015-05-25  1253  	for (i = 0; i < nb_phy_chans; i++) {
a57e16cf03339c Robert Jarzmik 2015-05-25  1254  		phy = &pdev->phys[i];
a57e16cf03339c Robert Jarzmik 2015-05-25  1255  		phy->base = pdev->base;
a57e16cf03339c Robert Jarzmik 2015-05-25  1256  		phy->idx = i;
b3d726cb8497c6 Doug Brown     2022-09-05  1257  		irq = platform_get_irq_optional(op, i);
a57e16cf03339c Robert Jarzmik 2015-05-25  1258  		if ((nr_irq > 1) && (irq > 0))
a57e16cf03339c Robert Jarzmik 2015-05-25  1259  			ret = devm_request_irq(&op->dev, irq,
a57e16cf03339c Robert Jarzmik 2015-05-25  1260  					       pxad_chan_handler,
a57e16cf03339c Robert Jarzmik 2015-05-25  1261  					       IRQF_SHARED, "pxa-dma", phy);
a57e16cf03339c Robert Jarzmik 2015-05-25  1262  		if ((nr_irq == 1) && (i == 0))
a57e16cf03339c Robert Jarzmik 2015-05-25  1263  			ret = devm_request_irq(&op->dev, irq0,
a57e16cf03339c Robert Jarzmik 2015-05-25  1264  					       pxad_int_handler,
a57e16cf03339c Robert Jarzmik 2015-05-25  1265  					       IRQF_SHARED, "pxa-dma", pdev);
a57e16cf03339c Robert Jarzmik 2015-05-25 @1266  		if (ret) {
a57e16cf03339c Robert Jarzmik 2015-05-25  1267  			dev_err(pdev->slave.dev,
a57e16cf03339c Robert Jarzmik 2015-05-25  1268  				"%s(): can't request irq %d:%d\n", __func__,
a57e16cf03339c Robert Jarzmik 2015-05-25  1269  				irq, ret);
a57e16cf03339c Robert Jarzmik 2015-05-25  1270  			return ret;
a57e16cf03339c Robert Jarzmik 2015-05-25  1271  		}
a57e16cf03339c Robert Jarzmik 2015-05-25  1272  	}
a57e16cf03339c Robert Jarzmik 2015-05-25  1273  
a57e16cf03339c Robert Jarzmik 2015-05-25  1274  	return 0;
a57e16cf03339c Robert Jarzmik 2015-05-25  1275  }
a57e16cf03339c Robert Jarzmik 2015-05-25  1276  

:::::: The code at line 1266 was first introduced by commit
:::::: a57e16cf03339c20b09642f46f60190069ff70c7 dmaengine: pxa: add pxa dmaengine driver

:::::: TO: Robert Jarzmik <robert.jarzmik@free.fr>
:::::: CC: Vinod Koul <vinod.koul@intel.com>

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