From: kernel test robot <lkp@intel.com>
To: oe-kbuild@lists.linux.dev
Cc: lkp@intel.com, Dan Carpenter <error27@gmail.com>
Subject: drivers/dma/pxa_dma.c:1266 pxad_init_phys() error: uninitialized symbol 'ret'.
Date: Sun, 14 Dec 2025 05:00:13 +0800 [thread overview]
Message-ID: <202512140423.NHUDKey7-lkp@intel.com> (raw)
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>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
reply other threads:[~2025-12-13 21:00 UTC|newest]
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