tree: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core.git usermode_ro head: 00ed986b7a8fbb11b0c154e8dda5ee7c5ea48a43 commit: 00ed986b7a8fbb11b0c154e8dda5ee7c5ea48a43 [4/4] Introduce CONFIG_READONLY_USERMODEHELPER config: i386-allmodconfig (attached as .config) compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901 reproduce: git checkout 00ed986b7a8fbb11b0c154e8dda5ee7c5ea48a43 # save the attached .config to linux build tree make ARCH=i386 All error/warnings (new ones prefixed by >>): drivers/block/drbd/drbd_nl.c: In function 'drbd_khelper': >> drivers/block/drbd/drbd_nl.c:347:18: warning: initialization discards 'const' qualifier from pointer target type [-Wdiscarded-qualifiers] char *argv[] = {drbd_usermode_helper, cmd, mb, NULL }; ^~~~~~~~~~~~~~~~~~~~ drivers/block/drbd/drbd_nl.c: In function 'conn_khelper': drivers/block/drbd/drbd_nl.c:399:18: warning: initialization discards 'const' qualifier from pointer target type [-Wdiscarded-qualifiers] char *argv[] = {drbd_usermode_helper, cmd, resource_name, NULL }; ^~~~~~~~~~~~~~~~~~~~ -- fs/nfs/cache_lib.c: In function 'nfs_cache_upcall': >> fs/nfs/cache_lib.c:67:28: error: assignment of read-only location 'nfs_cache_getent_prog[0]' nfs_cache_getent_prog[0] = '\0'; ^ -- >> lib/kobject_uevent.c:35:6: error: conflicting types for 'uevent_helper' char uevent_helper[UEVENT_HELPER_PATH_LEN] = CONFIG_UEVENT_HELPER_PATH; ^~~~~~~~~~~~~ In file included from lib/kobject_uevent.c:19:0: include/linux/kobject.h:37:13: note: previous declaration of 'uevent_helper' was here extern char uevent_helper[]; ^~~~~~~~~~~~~ lib/kobject_uevent.c: In function 'init_uevent_argv': >> lib/kobject_uevent.c:143:15: warning: assignment discards 'const' qualifier from pointer target type [-Wdiscarded-qualifiers] env->argv[0] = uevent_helper; ^ vim +67 fs/nfs/cache_lib.c e571cbf1 Trond Myklebust 2009-08-19 61 * Disable the upcall mechanism if we're getting an ENOENT or e571cbf1 Trond Myklebust 2009-08-19 62 * EACCES error. The admin can re-enable it on the fly by using e571cbf1 Trond Myklebust 2009-08-19 63 * sysfs to set the 'cache_getent' parameter once the problem e571cbf1 Trond Myklebust 2009-08-19 64 * has been fixed. e571cbf1 Trond Myklebust 2009-08-19 65 */ e571cbf1 Trond Myklebust 2009-08-19 66 if (ret == -ENOENT || ret == -EACCES) e571cbf1 Trond Myklebust 2009-08-19 @67 nfs_cache_getent_prog[0] = '\0'; e571cbf1 Trond Myklebust 2009-08-19 68 out: e571cbf1 Trond Myklebust 2009-08-19 69 return ret > 0 ? 0 : ret; e571cbf1 Trond Myklebust 2009-08-19 70 } :::::: The code at line 67 was first introduced by commit :::::: e571cbf1a4f8d8b6cfd4898df718dae84c75a8e1 NFS: Add a dns resolver for use with NFSv4 referrals and migration :::::: TO: Trond Myklebust <Trond.Myklebust@xxxxxxxxxx> :::::: CC: Trond Myklebust <Trond.Myklebust@xxxxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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