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Message-ID: <202512171533.CDLdScMY-lkp@intel.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Hi Valentina, First bad commit (maybe != root cause): tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: ea1013c1539270e372fc99854bc6e4d94eaeff66 commit: c1382852330ee2e78d884bab2da25b880488fa1c riscv: sbi: vendorid_list: Add Microchip Technology to the vendor list config: riscv-randconfig-r071-20251216 (https://download.01.org/0day-ci/archive/20251217/202512171533.CDLdScMY-lkp@intel.com/config) compiler: clang version 22.0.0git (https://github.com/llvm/llvm-project 1335a05ab8bc8339ce24be3a9da89d8c3f4e0571) 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/202512171533.CDLdScMY-lkp@intel.com/ Old smatch warnings: drivers/mailbox/mailbox-mchp-ipc-sbi.c:422 mchp_ipc_probe() warn: passing zero to 'dev_err_probe' vim +/hartid +187 drivers/mailbox/mailbox-mchp-ipc-sbi.c 410 static int mchp_ipc_probe(struct platform_device *pdev) 411 { 412 struct device *dev = &pdev->dev; 413 struct mchp_ipc_mbox_info ipc_info; 414 struct mchp_ipc_sbi_mbox *ipc; 415 struct mchp_ipc_sbi_chan *priv; 416 bool irq_avail = false; 417 int ret; 418 u32 chan_id; 419 420 ret = sbi_probe_extension(SBI_EXT_MICROCHIP_TECHNOLOGY); 421 if (ret <= 0) 422 return dev_err_probe(dev, ret, "Microchip SBI extension not detected\n"); ^^^ sbi_probe_extension() returns zero on error which is success here. 423 424 ipc = devm_kzalloc(dev, sizeof(*ipc), GFP_KERNEL); 425 if (!ipc) 426 return -ENOMEM; 427 428 platform_set_drvdata(pdev, ipc); 429 430 ipc->buf_base = devm_kmalloc(dev, sizeof(struct mchp_ipc_mbox_info), GFP_KERNEL); 431 if (!ipc->buf_base) 432 return -ENOMEM; 433 434 ipc->buf_base_addr = __pa(ipc->buf_base); 435 436 ret = mchp_ipc_sbi_send(SBI_EXT_IPC_PROBE, ipc->buf_base_addr); 437 if (ret < 0) -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki