X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Fudev%2Fudev-event.c;h=1c5d5e9a49f0296d3778b9de16a84a84ac8f7096;hp=7799a20d204a9b913fe40e2058ec507f26b321c1;hb=2eec67acbb00593e414549a7e5b35eb7dd776b1b;hpb=ff49bc3212cb07d850dcfd59940539773a0be26f diff --git a/src/udev/udev-event.c b/src/udev/udev-event.c index 7799a20d2..1c5d5e9a4 100644 --- a/src/udev/udev-event.c +++ b/src/udev/udev-event.c @@ -23,10 +23,9 @@ #include #include #include -#include #include #include -#include +#include #include #include #include @@ -218,14 +217,14 @@ subst: case SUBST_MAJOR: { char num[UTIL_PATH_SIZE]; - sprintf(num, "%d", major(udev_device_get_devnum(dev))); + sprintf(num, "%u", major(udev_device_get_devnum(dev))); l = strpcpy(&s, l, num); break; } case SUBST_MINOR: { char num[UTIL_PATH_SIZE]; - sprintf(num, "%d", minor(udev_device_get_devnum(dev))); + sprintf(num, "%u", minor(udev_device_get_devnum(dev))); l = strpcpy(&s, l, num); break; } @@ -387,7 +386,7 @@ static int spawn_exec(struct udev_event *event, if (fd_stderr < 0) dup2(fd, STDERR_FILENO); } else - log_error("open /dev/null failed: %m"); + log_error_errno(errno, "open /dev/null failed: %m"); /* connect pipes to std{out,err} */ if (fd_stdout >= 0) { @@ -409,7 +408,7 @@ static int spawn_exec(struct udev_event *event, execve(argv[0], argv, envp); /* exec failed */ - log_error("failed to execute '%s' '%s': %m", argv[0], cmd); + log_error_errno(errno, "failed to execute '%s' '%s': %m", argv[0], cmd); return -errno; } @@ -437,14 +436,14 @@ static void spawn_read(struct udev_event *event, fd_ep = epoll_create1(EPOLL_CLOEXEC); if (fd_ep < 0) { - log_error("error creating epoll fd: %m"); + log_error_errno(errno, "error creating epoll fd: %m"); return; } if (fd_stdout >= 0) { r = epoll_ctl(fd_ep, EPOLL_CTL_ADD, fd_stdout, &ep_outpipe); if (r < 0) { - log_error("fail to add stdout fd to epoll: %m"); + log_error_errno(errno, "fail to add stdout fd to epoll: %m"); return; } } @@ -452,7 +451,7 @@ static void spawn_read(struct udev_event *event, if (fd_stderr >= 0) { r = epoll_ctl(fd_ep, EPOLL_CTL_ADD, fd_stderr, &ep_errpipe); if (r < 0) { - log_error("fail to add stderr fd to epoll: %m"); + log_error_errno(errno, "fail to add stderr fd to epoll: %m"); return; } } @@ -481,7 +480,7 @@ static void spawn_read(struct udev_event *event, if (fdcount < 0) { if (errno == EINTR) continue; - log_error("failed to poll: %m"); + log_error_errno(errno, "failed to poll: %m"); return; } else if (fdcount == 0) { log_error("timeout '%s'", cmd); @@ -509,7 +508,7 @@ static void spawn_read(struct udev_event *event, memcpy(&result[respos], buf, count); respos += count; } else { - log_error("'%s' ressize %zd too short", cmd, ressize); + log_error("'%s' ressize %zu too short", cmd, ressize); } } @@ -527,7 +526,7 @@ static void spawn_read(struct udev_event *event, } else if (ev[i].events & EPOLLHUP) { r = epoll_ctl(fd_ep, EPOLL_CTL_DEL, *fd, NULL); if (r < 0) { - log_error("failed to remove fd from epoll: %m"); + log_error_errno(errno, "failed to remove fd from epoll: %m"); return; } *fd = -1; @@ -576,22 +575,22 @@ static int spawn_wait(struct udev_event *event, if (errno == EINTR) continue; err = -errno; - log_error("failed to poll: %m"); + log_error_errno(errno, "failed to poll: %m"); goto out; } if (fdcount == 0) { - log_warning("slow: '%s' [%u]", cmd, pid); + log_warning("slow: '%s' ["PID_FMT"]", cmd, pid); fdcount = poll(pfd, 1, timeout); if (fdcount < 0) { if (errno == EINTR) continue; err = -errno; - log_error("failed to poll: %m"); + log_error_errno(errno, "failed to poll: %m"); goto out; } if (fdcount == 0) { - log_error("timeout: killing '%s' [%u]", cmd, pid); + log_error("timeout: killing '%s' ["PID_FMT"]", cmd, pid); kill(pid, SIGKILL); } } @@ -613,20 +612,20 @@ static int spawn_wait(struct udev_event *event, if (waitpid(pid, &status, WNOHANG) < 0) break; if (WIFEXITED(status)) { - log_debug("'%s' [%u] exit with return code %i", cmd, pid, WEXITSTATUS(status)); + log_debug("'%s' ["PID_FMT"] exit with return code %i", cmd, pid, WEXITSTATUS(status)); if (WEXITSTATUS(status) != 0) err = -1; } else if (WIFSIGNALED(status)) { - log_error("'%s' [%u] terminated by signal %i (%s)", cmd, pid, WTERMSIG(status), strsignal(WTERMSIG(status))); + log_error("'%s' ["PID_FMT"] terminated by signal %i (%s)", cmd, pid, WTERMSIG(status), strsignal(WTERMSIG(status))); err = -1; } else if (WIFSTOPPED(status)) { - log_error("'%s' [%u] stopped", cmd, pid); + log_error("'%s' ["PID_FMT"] stopped", cmd, pid); err = -1; } else if (WIFCONTINUED(status)) { - log_error("'%s' [%u] continued", cmd, pid); + log_error("'%s' ["PID_FMT"] continued", cmd, pid); err = -1; } else { - log_error("'%s' [%u] exit with status 0x%04x", cmd, pid, status); + log_error("'%s' ["PID_FMT"] exit with status 0x%04x", cmd, pid, status); err = -1; } pid = 0; @@ -691,14 +690,14 @@ int udev_event_spawn(struct udev_event *event, if (result != NULL || log_get_max_level() >= LOG_INFO) { if (pipe2(outpipe, O_NONBLOCK) != 0) { err = -errno; - log_error("pipe failed: %m"); + log_error_errno(errno, "pipe failed: %m"); goto out; } } if (log_get_max_level() >= LOG_INFO) { if (pipe2(errpipe, O_NONBLOCK) != 0) { err = -errno; - log_error("pipe failed: %m"); + log_error_errno(errno, "pipe failed: %m"); goto out; } } @@ -729,7 +728,7 @@ int udev_event_spawn(struct udev_event *event, _exit(2 ); case -1: - log_error("fork of '%s' failed: %m", cmd); + log_error_errno(errno, "fork of '%s' failed: %m", cmd); err = -1; goto out; default: @@ -775,11 +774,8 @@ static int rename_netif(struct udev_event *event) { strscpy(name, IFNAMSIZ, event->name); r = rtnl_set_link_name(&event->rtnl, udev_device_get_ifindex(dev), name); - if (r < 0) { - log_error("error changing net interface name '%s' to '%s': %s", - oldname, name, strerror(-r)); - return r; - } + if (r < 0) + return log_error_errno(r, "Error changing net interface name '%s' to '%s': %m", oldname, name); log_debug("renamed network interface '%s' to '%s'", oldname, name); @@ -812,11 +808,8 @@ void udev_event_execute_rules(struct udev_event *event, if (major(udev_device_get_devnum(dev)) != 0) udev_node_remove(dev); } else { - event->dev_db = udev_device_new(event->udev); + event->dev_db = udev_device_shallow_clone(dev); if (event->dev_db != NULL) { - udev_device_set_syspath(event->dev_db, udev_device_get_syspath(dev)); - udev_device_set_subsystem(event->dev_db, udev_device_get_subsystem(dev)); - udev_device_set_devnum(event->dev_db, udev_device_get_devnum(dev)); udev_device_read_db(event->dev_db, NULL); udev_device_set_info_loaded(event->dev_db); @@ -836,7 +829,7 @@ void udev_event_execute_rules(struct udev_event *event, key = udev_list_entry_get_name(entry); value = udev_list_entry_get_value(entry); - property = udev_device_add_property(event->dev, key, value); + property = udev_device_add_property(dev, key, value); udev_list_entry_set_num(property, true); } } @@ -849,23 +842,25 @@ void udev_event_execute_rules(struct udev_event *event, /* rename a new network interface, if needed */ if (udev_device_get_ifindex(dev) > 0 && streq(udev_device_get_action(dev), "add") && event->name != NULL && !streq(event->name, udev_device_get_sysname(dev))) { - char syspath[UTIL_PATH_SIZE]; - char *pos; int r; r = rename_netif(event); - if (r >= 0) { - /* remember old name */ - udev_device_add_property(dev, "INTERFACE_OLD", udev_device_get_sysname(dev)); + if (r < 0) + log_warning_errno(r, "could not rename interface '%d' from '%s' to '%s': %m", udev_device_get_ifindex(dev), + udev_device_get_sysname(dev), event->name); + else { + const char *interface_old; - /* now change the devpath, because the kernel device name has changed */ - strscpy(syspath, sizeof(syspath), udev_device_get_syspath(dev)); - pos = strrchr(syspath, '/'); - if (pos != NULL) { - pos++; - strscpy(pos, sizeof(syspath) - (pos - syspath), event->name); - udev_device_set_syspath(event->dev, syspath); - udev_device_add_property(dev, "INTERFACE", udev_device_get_sysname(dev)); + /* remember old name */ + interface_old = udev_device_get_sysname(dev); + + r = udev_device_rename(dev, event->name); + if (r < 0) + log_warning_errno(r, "renamed interface '%d' from '%s' to '%s', but could not update udev_device: %m", + udev_device_get_ifindex(dev), udev_device_get_sysname(dev), event->name); + else { + udev_device_add_property(dev, "INTERFACE_OLD", interface_old); + udev_device_add_property(dev, "INTERFACE", event->name); log_debug("changed devpath to '%s'", udev_device_get_devpath(dev)); } }