tree: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core.git debugfs_cleanup head: 27d0b4c0cd182361a817b61e9329ffcfea4edca7 commit: 1bb8a20835fa47c2d4507b092e0f8b9423e16d18 [133/139] debugfs: remove return value of debugfs_create_u32() config: powerpc-defconfig (attached as .config) compiler: powerpc64-linux-gcc (GCC) 7.4.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout 1bb8a20835fa47c2d4507b092e0f8b9423e16d18 # save the attached .config to linux build tree GCC_VERSION=7.4.0 make.cross ARCH=powerpc If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): drivers/crypto/nx/nx_debugfs.c: In function 'nx_debugfs_init': >> drivers/crypto/nx/nx_debugfs.c:51:19: error: void value not ignored as it ought to be dfs->dfs_aes_ops = ^ drivers/crypto/nx/nx_debugfs.c:55:22: error: void value not ignored as it ought to be dfs->dfs_sha256_ops = ^ drivers/crypto/nx/nx_debugfs.c:60:22: error: void value not ignored as it ought to be dfs->dfs_sha512_ops = ^ drivers/crypto/nx/nx_debugfs.c:80:18: error: void value not ignored as it ought to be dfs->dfs_errors = ^ drivers/crypto/nx/nx_debugfs.c:84:22: error: void value not ignored as it ought to be dfs->dfs_last_error = ^ drivers/crypto/nx/nx_debugfs.c:89:26: error: void value not ignored as it ought to be dfs->dfs_last_error_pid = ^ vim +51 drivers/crypto/nx/nx_debugfs.c 175e0e23 Kent Yoder 2012-04-12 36 175e0e23 Kent Yoder 2012-04-12 37 /* 175e0e23 Kent Yoder 2012-04-12 38 * debugfs 175e0e23 Kent Yoder 2012-04-12 39 * 175e0e23 Kent Yoder 2012-04-12 40 * For documentation on these attributes, please see: 175e0e23 Kent Yoder 2012-04-12 41 * 175e0e23 Kent Yoder 2012-04-12 42 * Documentation/ABI/testing/debugfs-pfo-nx-crypto 175e0e23 Kent Yoder 2012-04-12 43 */ 175e0e23 Kent Yoder 2012-04-12 44 175e0e23 Kent Yoder 2012-04-12 45 int nx_debugfs_init(struct nx_crypto_driver *drv) 175e0e23 Kent Yoder 2012-04-12 46 { 175e0e23 Kent Yoder 2012-04-12 47 struct nx_debugfs *dfs = &drv->dfs; 175e0e23 Kent Yoder 2012-04-12 48 175e0e23 Kent Yoder 2012-04-12 49 dfs->dfs_root = debugfs_create_dir(NX_NAME, NULL); 175e0e23 Kent Yoder 2012-04-12 50 175e0e23 Kent Yoder 2012-04-12 @51 dfs->dfs_aes_ops = 175e0e23 Kent Yoder 2012-04-12 52 debugfs_create_u32("aes_ops", 175e0e23 Kent Yoder 2012-04-12 53 S_IRUSR | S_IRGRP | S_IROTH, 175e0e23 Kent Yoder 2012-04-12 54 dfs->dfs_root, (u32 *)&drv->stats.aes_ops); 175e0e23 Kent Yoder 2012-04-12 55 dfs->dfs_sha256_ops = 175e0e23 Kent Yoder 2012-04-12 56 debugfs_create_u32("sha256_ops", 175e0e23 Kent Yoder 2012-04-12 57 S_IRUSR | S_IRGRP | S_IROTH, 175e0e23 Kent Yoder 2012-04-12 58 dfs->dfs_root, 175e0e23 Kent Yoder 2012-04-12 59 (u32 *)&drv->stats.sha256_ops); 175e0e23 Kent Yoder 2012-04-12 60 dfs->dfs_sha512_ops = 175e0e23 Kent Yoder 2012-04-12 61 debugfs_create_u32("sha512_ops", 175e0e23 Kent Yoder 2012-04-12 62 S_IRUSR | S_IRGRP | S_IROTH, 175e0e23 Kent Yoder 2012-04-12 63 dfs->dfs_root, 175e0e23 Kent Yoder 2012-04-12 64 (u32 *)&drv->stats.sha512_ops); 175e0e23 Kent Yoder 2012-04-12 65 dfs->dfs_aes_bytes = 175e0e23 Kent Yoder 2012-04-12 66 debugfs_create_u64("aes_bytes", 175e0e23 Kent Yoder 2012-04-12 67 S_IRUSR | S_IRGRP | S_IROTH, 175e0e23 Kent Yoder 2012-04-12 68 dfs->dfs_root, 175e0e23 Kent Yoder 2012-04-12 69 (u64 *)&drv->stats.aes_bytes); 175e0e23 Kent Yoder 2012-04-12 70 dfs->dfs_sha256_bytes = 175e0e23 Kent Yoder 2012-04-12 71 debugfs_create_u64("sha256_bytes", 175e0e23 Kent Yoder 2012-04-12 72 S_IRUSR | S_IRGRP | S_IROTH, 175e0e23 Kent Yoder 2012-04-12 73 dfs->dfs_root, 175e0e23 Kent Yoder 2012-04-12 74 (u64 *)&drv->stats.sha256_bytes); 175e0e23 Kent Yoder 2012-04-12 75 dfs->dfs_sha512_bytes = 175e0e23 Kent Yoder 2012-04-12 76 debugfs_create_u64("sha512_bytes", 175e0e23 Kent Yoder 2012-04-12 77 S_IRUSR | S_IRGRP | S_IROTH, 175e0e23 Kent Yoder 2012-04-12 78 dfs->dfs_root, 175e0e23 Kent Yoder 2012-04-12 79 (u64 *)&drv->stats.sha512_bytes); 175e0e23 Kent Yoder 2012-04-12 80 dfs->dfs_errors = 175e0e23 Kent Yoder 2012-04-12 81 debugfs_create_u32("errors", 175e0e23 Kent Yoder 2012-04-12 82 S_IRUSR | S_IRGRP | S_IROTH, 175e0e23 Kent Yoder 2012-04-12 83 dfs->dfs_root, (u32 *)&drv->stats.errors); 175e0e23 Kent Yoder 2012-04-12 84 dfs->dfs_last_error = 175e0e23 Kent Yoder 2012-04-12 85 debugfs_create_u32("last_error", 175e0e23 Kent Yoder 2012-04-12 86 S_IRUSR | S_IRGRP | S_IROTH, 175e0e23 Kent Yoder 2012-04-12 87 dfs->dfs_root, 175e0e23 Kent Yoder 2012-04-12 88 (u32 *)&drv->stats.last_error); 175e0e23 Kent Yoder 2012-04-12 89 dfs->dfs_last_error_pid = 175e0e23 Kent Yoder 2012-04-12 90 debugfs_create_u32("last_error_pid", 175e0e23 Kent Yoder 2012-04-12 91 S_IRUSR | S_IRGRP | S_IROTH, 175e0e23 Kent Yoder 2012-04-12 92 dfs->dfs_root, 175e0e23 Kent Yoder 2012-04-12 93 (u32 *)&drv->stats.last_error_pid); 175e0e23 Kent Yoder 2012-04-12 94 return 0; 175e0e23 Kent Yoder 2012-04-12 95 } 175e0e23 Kent Yoder 2012-04-12 96 :::::: The code at line 51 was first introduced by commit :::::: 175e0e23466185a861339796efc5b51958a48dc1 powerpc/crypto: debugfs routines and docs for the nx device driver :::::: TO: Kent Yoder <key@xxxxxxxxxxxxxxxxxx> :::::: CC: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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