From c7abe32be167ded048a5bb8a912faf2e745b20cb Mon Sep 17 00:00:00 2001 From: Lennart Poettering Date: Tue, 17 Feb 2015 18:54:33 +0100 Subject: machined: various simplifications --- src/machine/machine-dbus.c | 50 +++++++++++++++++++++++----------------------- 1 file changed, 25 insertions(+), 25 deletions(-) (limited to 'src/machine') diff --git a/src/machine/machine-dbus.c b/src/machine/machine-dbus.c index 246c2cfd05..eb4b70a614 100644 --- a/src/machine/machine-dbus.c +++ b/src/machine/machine-dbus.c @@ -182,26 +182,26 @@ int bus_machine_method_get_addresses(sd_bus *bus, sd_bus_message *message, void r = readlink_malloc("/proc/self/ns/net", &us); if (r < 0) - return sd_bus_error_set_errno(error, r); + return r; p = procfs_file_alloca(m->leader, "ns/net"); r = readlink_malloc(p, &them); if (r < 0) - return sd_bus_error_set_errno(error, r); + return r; if (streq(us, them)) return sd_bus_error_setf(error, BUS_ERROR_NO_PRIVATE_NETWORKING, "Machine %s does not use private networking", m->name); r = namespace_open(m->leader, NULL, NULL, &netns_fd, NULL); if (r < 0) - return sd_bus_error_set_errno(error, r); + return r; if (socketpair(AF_UNIX, SOCK_SEQPACKET, 0, pair) < 0) - return sd_bus_error_set_errno(error, -errno); + return -errno; child = fork(); if (child < 0) - return sd_bus_error_set_errno(error, -errno); + return sd_bus_error_set_errnof(error, errno, "Failed to fork(): %m"); if (child == 0) { _cleanup_free_ struct local_address *addresses = NULL; @@ -238,11 +238,11 @@ int bus_machine_method_get_addresses(sd_bus *bus, sd_bus_message *message, void r = sd_bus_message_new_method_return(message, &reply); if (r < 0) - return sd_bus_error_set_errno(error, r); + return r; r = sd_bus_message_open_container(reply, 'a', "(iay)"); if (r < 0) - return sd_bus_error_set_errno(error, r); + return r; for (;;) { int family; @@ -259,51 +259,51 @@ int bus_machine_method_get_addresses(sd_bus *bus, sd_bus_message *message, void n = recvmsg(pair[0], &mh, 0); if (n < 0) - return sd_bus_error_set_errno(error, -errno); + return -errno; if ((size_t) n < sizeof(family)) break; r = sd_bus_message_open_container(reply, 'r', "iay"); if (r < 0) - return sd_bus_error_set_errno(error, r); + return r; r = sd_bus_message_append(reply, "i", family); if (r < 0) - return sd_bus_error_set_errno(error, r); + return r; switch (family) { case AF_INET: if (n != sizeof(struct in_addr) + sizeof(family)) - return sd_bus_error_set_errno(error, EIO); + return -EIO; r = sd_bus_message_append_array(reply, 'y', &in_addr.in, sizeof(in_addr.in)); break; case AF_INET6: if (n != sizeof(struct in6_addr) + sizeof(family)) - return sd_bus_error_set_errno(error, EIO); + return -EIO; r = sd_bus_message_append_array(reply, 'y', &in_addr.in6, sizeof(in_addr.in6)); break; } if (r < 0) - return sd_bus_error_set_errno(error, r); + return r; r = sd_bus_message_close_container(reply); if (r < 0) - return sd_bus_error_set_errno(error, r); + return r; } r = wait_for_terminate(child, &si); if (r < 0) - return sd_bus_error_set_errno(error, r); + return sd_bus_error_set_errnof(error, r, "Failed to wait for client: %m"); if (si.si_code != CLD_EXITED || si.si_status != EXIT_SUCCESS) - return sd_bus_error_set_errno(error, EIO); + return sd_bus_error_setf(error, SD_BUS_ERROR_FAILED, "Client died abnormally."); r = sd_bus_message_close_container(reply); if (r < 0) - return sd_bus_error_set_errno(error, r); + return r; return sd_bus_send(bus, reply, NULL); } @@ -336,7 +336,7 @@ int bus_machine_method_get_os_release(sd_bus *bus, sd_bus_message *message, void child = fork(); if (child < 0) - return -errno; + return sd_bus_error_set_errnof(error, errno, "Failed to fork(): %m"); if (child == 0) { _cleanup_close_ int fd = -1; @@ -375,9 +375,9 @@ int bus_machine_method_get_os_release(sd_bus *bus, sd_bus_message *message, void r = wait_for_terminate(child, &si); if (r < 0) - return r; + return sd_bus_error_set_errnof(error, r, "Failed to wait for client: %m"); if (si.si_code != CLD_EXITED || si.si_status != EXIT_SUCCESS) - return -EIO; + return sd_bus_error_setf(error, SD_BUS_ERROR_FAILED, "Client died abnormally."); r = sd_bus_message_new_method_return(message, &reply); if (r < 0) @@ -482,7 +482,7 @@ int bus_machine_method_open_login(sd_bus *bus, sd_bus_message *message, void *us asprintf(&container_bus->address, "x-machine-kernel:pid=" PID_FMT, m->leader); #endif if (!container_bus->address) - return -ENOMEM; + return log_oom(); container_bus->bus_client = true; container_bus->trusted = false; @@ -494,7 +494,7 @@ int bus_machine_method_open_login(sd_bus *bus, sd_bus_message *message, void *us getty = strjoin("container-getty@", p, ".service", NULL); if (!getty) - return -ENOMEM; + return log_oom(); r = sd_bus_call_method( container_bus, @@ -546,7 +546,7 @@ int bus_machine_method_bind_mount(sd_bus *bus, sd_bus_message *message, void *us if (isempty(dest)) dest = src; else if (!path_is_absolute(dest) || !path_is_safe(dest)) - return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Source path must be absolute and not contain ../."); + return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Destination path must be absolute and not contain ../."); /* One day, when bind mounting /proc/self/fd/n works across * namespace boundaries we should rework this logic to make @@ -688,7 +688,7 @@ int bus_machine_method_bind_mount(sd_bus *bus, sd_bus_message *message, void *us r = wait_for_terminate(child, &si); if (r < 0) { - r = sd_bus_error_set_errnof(error, errno, "Failed to wait for client: %m"); + r = sd_bus_error_set_errnof(error, r, "Failed to wait for client: %m"); goto finish; } if (si.si_code != CLD_EXITED) { @@ -698,7 +698,7 @@ int bus_machine_method_bind_mount(sd_bus *bus, sd_bus_message *message, void *us if (si.si_status != EXIT_SUCCESS) { if (read(errno_pipe_fd[0], &r, sizeof(r)) == sizeof(r)) - r = sd_bus_error_set_errnof(error, r, "Failed to mount in container: %m"); + r = sd_bus_error_set_errnof(error, r, "Failed to mount: %m"); else r = sd_bus_error_setf(error, SD_BUS_ERROR_FAILED, "Client failed."); goto finish; -- cgit v1.2.3-54-g00ecf