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Message-ID: <202512140423.NHUDKey7-lkp@intel.com> Precedence: bulk X-Mailing-List: oe-kbuild@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline BCC: lkp@intel.com CC: oe-kbuild-all@lists.linux.dev CC: linux-kernel@vger.kernel.org TO: Krzysztof Kozlowski CC: Vinod Koul 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 | Reported-by: Dan Carpenter | 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 :::::: CC: Vinod Koul -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki