/* * Helper functions for handling target threads/cpus * * Copyright (C) 2012, LG Electronics, Namhyung Kim * * Released under the GPL v2. */ #include "target.h" #include "util.h" #include "debug.h" #include #include enum target_errno target__validate(struct target *target) { enum target_errno ret = TARGET_ERRNO__SUCCESS; if (target->pid) target->tid = target->pid; /* CPU and PID are mutually exclusive */ if (target->tid && target->cpu_list) { target->cpu_list = NULL; if (ret == TARGET_ERRNO__SUCCESS) ret = TARGET_ERRNO__PID_OVERRIDE_CPU; } /* UID and PID are mutually exclusive */ if (target->tid && target->uid_str) { target->uid_str = NULL; if (ret == TARGET_ERRNO__SUCCESS) ret = TARGET_ERRNO__PID_OVERRIDE_UID; } /* UID and CPU are mutually exclusive */ if (target->uid_str && target->cpu_list) { target->cpu_list = NULL; if (ret == TARGET_ERRNO__SUCCESS) ret = TARGET_ERRNO__UID_OVERRIDE_CPU; } /* PID and SYSTEM are mutually exclusive */ if (target->tid && target->system_wide) { target->system_wide = false; if (ret == TARGET_ERRNO__SUCCESS) ret = TARGET_ERRNO__PID_OVERRIDE_SYSTEM; } /* UID and SYSTEM are mutually exclusive */ if (target->uid_str && target->system_wide) { target->system_wide = false; if (ret == TARGET_ERRNO__SUCCESS) ret = TARGET_ERRNO__UID_OVERRIDE_SYSTEM; } /* THREAD and SYSTEM/CPU are mutually exclusive */ if (target->per_thread && (target->system_wide || target->cpu_list)) { target->per_thread = false; if (ret == TARGET_ERRNO__SUCCESS) ret = TARGET_ERRNO__SYSTEM_OVERRIDE_THREAD; } return ret; } enum target_errno target__parse_uid(struct target *target) { struct passwd pwd, *result; char buf[1024]; const char *str = target->uid_str; target->uid = UINT_MAX; if (str == NULL) return TARGET_ERRNO__SUCCESS; /* Try user name first */ getpwnam_r(str, &pwd, buf, sizeof(buf), &result); if (result == NULL) { /* * The user name not found. Maybe it's a UID number. */ char *endptr; int uid = strtol(str, &endptr, 10); if (*endptr != '\0') return TARGET_ERRNO__INVALID_UID; getpwuid_r(uid, &pwd, buf, sizeof(buf), &result); if (result == NULL) return TARGET_ERRNO__USER_NOT_FOUND; } target->uid = result->pw_uid; return TARGET_ERRNO__SUCCESS; } /* * This must have a same ordering as the enum target_errno. */ static const char *target__error_str[] = { "PID/TID switch overriding CPU", "PID/TID switch overriding UID", "UID switch overriding CPU", "PID/TID switch overriding SYSTEM", "UID switch overriding SYSTEM", "SYSTEM/CPU switch overriding PER-THREAD", "Invalid User: %s", "Problems obtaining information for user %s", }; int target__strerror(struct target *target, int errnum, char *buf, size_t buflen) { int idx; const char *msg; BUG_ON(buflen == 0); if (errnum >= 0) { str_error_r(errnum, buf, buflen); return 0; } if (errnum < __TARGET_ERRNO__START || errnum >= __TARGET_ERRNO__END) return -1; idx = errnum - __TARGET_ERRNO__START; msg = target__error_str[idx]; switch (errnum) { case TARGET_ERRNO__PID_OVERRIDE_CPU ... TARGET_ERRNO__SYSTEM_OVERRIDE_THREAD: snprintf(buf, buflen, "%s", msg); break; case TARGET_ERRNO__INVALID_UID: case TARGET_ERRNO__USER_NOT_FOUND: snprintf(buf, buflen, msg, target->uid_str); break; default: /* cannot reach here */ break; } return 0; } able>context:space:mode:
authorChristophe JAILLET <christophe.jaillet@wanadoo.fr>2017-01-31 00:47:30 -0800
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2017-01-31 00:51:06 -0800
commit05e0be7c900797e9164976a6014d534ce3035909 (patch)
tree6064ddf732b21c686c958cb9da73f6eae6de5a27 /net/phonet
parent3f5c34c6d4688b3b7e1dbc7bbc68a2f03a0d6b0c (diff)
Input: synaptics-rmi4 - fix reversed conditions in enable/disable_irq_wake
These tests are reversed. A warning should be displayed if an error is returned, not on success. Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Diffstat (limited to 'net/phonet')