tree: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core.git debugfs_remove_return_value head: ccebb9244d66f0fe7d7fd6a6fe45d0d5a812bd60 commit: ccebb9244d66f0fe7d7fd6a6fe45d0d5a812bd60 [2/2] debugfs: remove return value of debugfs_create_regset32() config: x86_64-allyesconfig (attached as .config) compiler: gcc-7 (Debian 7.5.0-1) 7.5.0 reproduce: git checkout ccebb9244d66f0fe7d7fd6a6fe45d0d5a812bd60 # save the attached .config to linux build tree make ARCH=x86_64 If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): drivers/crypto/hisilicon/hpre/hpre_main.c: In function 'hpre_pf_comm_regs_debugfs_init': >> drivers/crypto/hisilicon/hpre/hpre_main.c:598:6: error: void value not ignored as it ought to be tmp = debugfs_create_regset32("regs", 0444, debug->debug_root, regset); ^ drivers/crypto/hisilicon/hpre/hpre_main.c: In function 'hpre_cluster_debugfs_init': drivers/crypto/hisilicon/hpre/hpre_main.c:630:7: error: void value not ignored as it ought to be tmp = debugfs_create_regset32("regs", 0444, tmp_d, regset); ^ sparse warnings: (new ones prefixed by >>) >> drivers/crypto/hisilicon/hpre/hpre_main.c:598:13: sparse: sparse: incorrect type in assignment (different base types) drivers/crypto/hisilicon/hpre/hpre_main.c:598:13: sparse: expected struct dentry *tmp drivers/crypto/hisilicon/hpre/hpre_main.c:598:13: sparse: got void drivers/crypto/hisilicon/hpre/hpre_main.c:630:21: sparse: sparse: incorrect type in assignment (different base types) drivers/crypto/hisilicon/hpre/hpre_main.c:630:21: sparse: expected struct dentry *tmp drivers/crypto/hisilicon/hpre/hpre_main.c:630:21: sparse: got void vim +598 drivers/crypto/hisilicon/hpre/hpre_main.c 8489741516182d Zaibo Xu 2019-09-30 581 8489741516182d Zaibo Xu 2019-09-30 582 static int hpre_pf_comm_regs_debugfs_init(struct hpre_debug *debug) 8489741516182d Zaibo Xu 2019-09-30 583 { 8489741516182d Zaibo Xu 2019-09-30 584 struct hpre *hpre = container_of(debug, struct hpre, debug); 8489741516182d Zaibo Xu 2019-09-30 585 struct hisi_qm *qm = &hpre->qm; 8489741516182d Zaibo Xu 2019-09-30 586 struct device *dev = &qm->pdev->dev; 8489741516182d Zaibo Xu 2019-09-30 587 struct debugfs_regset32 *regset; 8489741516182d Zaibo Xu 2019-09-30 588 struct dentry *tmp; 8489741516182d Zaibo Xu 2019-09-30 589 8489741516182d Zaibo Xu 2019-09-30 590 regset = devm_kzalloc(dev, sizeof(*regset), GFP_KERNEL); 8489741516182d Zaibo Xu 2019-09-30 591 if (!regset) 8489741516182d Zaibo Xu 2019-09-30 592 return -ENOMEM; 8489741516182d Zaibo Xu 2019-09-30 593 8489741516182d Zaibo Xu 2019-09-30 594 regset->regs = hpre_com_dfx_regs; 8489741516182d Zaibo Xu 2019-09-30 595 regset->nregs = ARRAY_SIZE(hpre_com_dfx_regs); 8489741516182d Zaibo Xu 2019-09-30 596 regset->base = qm->io_base; 8489741516182d Zaibo Xu 2019-09-30 597 8489741516182d Zaibo Xu 2019-09-30 @598 tmp = debugfs_create_regset32("regs", 0444, debug->debug_root, regset); 8489741516182d Zaibo Xu 2019-09-30 599 if (!tmp) 8489741516182d Zaibo Xu 2019-09-30 600 return -ENOENT; 8489741516182d Zaibo Xu 2019-09-30 601 8489741516182d Zaibo Xu 2019-09-30 602 return 0; 8489741516182d Zaibo Xu 2019-09-30 603 } 8489741516182d Zaibo Xu 2019-09-30 604 :::::: The code at line 598 was first introduced by commit :::::: 8489741516182d8ac57a69e9f4ca963450607351 crypto: hisilicon - Add debugfs for HPRE :::::: TO: Zaibo Xu <xuzaibo@xxxxxxxxxx> :::::: CC: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx Intel Corporation
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