From 7bb87460e691d30c1a7fd23a1a8240776957e05f Mon Sep 17 00:00:00 2001 From: Michal Schmidt Date: Thu, 5 Nov 2015 13:44:07 +0100 Subject: journal: posix_fallocate() does not set errno manpage says: posix_fallocate() returns zero on success, or an error number on failure. Note that errno is not set. --- src/journal/journald-kmsg.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) (limited to 'src/journal/journald-kmsg.c') diff --git a/src/journal/journald-kmsg.c b/src/journal/journald-kmsg.c index 489f6f689c..c0712b5644 100644 --- a/src/journal/journald-kmsg.c +++ b/src/journal/journald-kmsg.c @@ -442,6 +442,7 @@ fail: int server_open_kernel_seqnum(Server *s) { _cleanup_close_ int fd; uint64_t *p; + int r; assert(s); @@ -455,8 +456,9 @@ int server_open_kernel_seqnum(Server *s) { return 0; } - if (posix_fallocate(fd, 0, sizeof(uint64_t)) < 0) { - log_error_errno(errno, "Failed to allocate sequential number file, ignoring: %m"); + r = posix_fallocate(fd, 0, sizeof(uint64_t)); + if (r != 0) { + log_error_errno(r, "Failed to allocate sequential number file, ignoring: %m"); return 0; } -- cgit v1.2.3-54-g00ecf From e1427b138fbf7b7f13bb61187635b882be3ca2b2 Mon Sep 17 00:00:00 2001 From: Michal Schmidt Date: Thu, 5 Nov 2015 13:44:20 +0100 Subject: treewide: apply errno.cocci with small manual cleanups for style. --- src/basic/capability-util.c | 6 ++---- src/binfmt/binfmt.c | 3 +-- src/dbus1-generator/dbus1-generator.c | 6 ++---- src/delta/delta.c | 3 +-- src/firstboot/firstboot.c | 6 ++---- src/gpt-auto-generator/gpt-auto-generator.c | 6 ++---- src/initctl/initctl.c | 3 +-- src/journal/catalog.c | 3 +-- src/journal/journald-kmsg.c | 3 +-- src/journal/journald-stream.c | 3 +-- src/libudev/libudev-monitor.c | 6 ++---- src/login/logind.c | 18 ++++++------------ src/machine/machined.c | 3 +-- src/modules-load/modules-load.c | 3 +-- src/nspawn/nspawn-mount.c | 3 +-- src/nspawn/nspawn.c | 15 +++++---------- src/rc-local-generator/rc-local-generator.c | 3 +-- src/shared/clean-ipc.c | 27 +++++++++------------------ src/sysctl/sysctl.c | 3 +-- src/udev/udev-event.c | 4 +--- src/udev/udev-node.c | 3 +-- 21 files changed, 43 insertions(+), 87 deletions(-) (limited to 'src/journal/journald-kmsg.c') diff --git a/src/basic/capability-util.c b/src/basic/capability-util.c index 4479200306..0eb5c03d65 100644 --- a/src/basic/capability-util.c +++ b/src/basic/capability-util.c @@ -278,10 +278,8 @@ int drop_privileges(uid_t uid, gid_t gid, uint64_t keep_capabilities) { assert(keep_capabilities & (1ULL << (i - 1))); if (cap_set_flag(d, CAP_EFFECTIVE, j, bits, CAP_SET) < 0 || - cap_set_flag(d, CAP_PERMITTED, j, bits, CAP_SET) < 0) { - log_error_errno(errno, "Failed to enable capabilities bits: %m"); - return -errno; - } + cap_set_flag(d, CAP_PERMITTED, j, bits, CAP_SET) < 0) + return log_error_errno(errno, "Failed to enable capabilities bits: %m"); if (cap_set_proc(d) < 0) return log_error_errno(errno, "Failed to increase capabilities: %m"); diff --git a/src/binfmt/binfmt.c b/src/binfmt/binfmt.c index 594c9ebe43..42ad0adb02 100644 --- a/src/binfmt/binfmt.c +++ b/src/binfmt/binfmt.c @@ -94,8 +94,7 @@ static int apply_file(const char *path, bool ignore_enoent) { if (feof(f)) break; - log_error_errno(errno, "Failed to read file '%s', ignoring: %m", path); - return -errno; + return log_error_errno(errno, "Failed to read file '%s', ignoring: %m", path); } p = strstrip(l); diff --git a/src/dbus1-generator/dbus1-generator.c b/src/dbus1-generator/dbus1-generator.c index b57bf9a57d..6861a592fe 100644 --- a/src/dbus1-generator/dbus1-generator.c +++ b/src/dbus1-generator/dbus1-generator.c @@ -227,8 +227,7 @@ static int parse_dbus_fragments(const char *path, const char *type) { if (errno == -ENOENT) return 0; - log_error_errno(errno, "Failed to enumerate D-Bus activated services: %m"); - return -errno; + return log_error_errno(errno, "Failed to enumerate D-Bus activated services: %m"); } r = 0; @@ -246,8 +245,7 @@ static int parse_dbus_fragments(const char *path, const char *type) { return r; fail: - log_error_errno(errno, "Failed to read D-Bus services directory: %m"); - return -errno; + return log_error_errno(errno, "Failed to read D-Bus services directory: %m"); } static int link_busnames_target(const char *units) { diff --git a/src/delta/delta.c b/src/delta/delta.c index 6c25b185ed..8bf678c28f 100644 --- a/src/delta/delta.c +++ b/src/delta/delta.c @@ -319,8 +319,7 @@ static int enumerate_dir(Hashmap *top, Hashmap *bottom, Hashmap *drops, const ch if (errno == ENOENT) return 0; - log_error_errno(errno, "Failed to open %s: %m", path); - return -errno; + return log_error_errno(errno, "Failed to open %s: %m", path); } for (;;) { diff --git a/src/firstboot/firstboot.c b/src/firstboot/firstboot.c index 96be4ebcc6..642d36912c 100644 --- a/src/firstboot/firstboot.c +++ b/src/firstboot/firstboot.c @@ -554,8 +554,7 @@ static int process_root_password(void) { if (!errno) errno = EIO; - log_error_errno(errno, "Failed to find shadow entry for root: %m"); - return -errno; + return log_error_errno(errno, "Failed to find shadow entry for root: %m"); } r = write_root_shadow(etc_shadow, p); @@ -592,8 +591,7 @@ static int process_root_password(void) { if (!errno) errno = EINVAL; - log_error_errno(errno, "Failed to encrypt password: %m"); - return -errno; + return log_error_errno(errno, "Failed to encrypt password: %m"); } item.sp_lstchg = (long) (now(CLOCK_REALTIME) / USEC_PER_DAY); diff --git a/src/gpt-auto-generator/gpt-auto-generator.c b/src/gpt-auto-generator/gpt-auto-generator.c index 5ea6c86898..34852ce381 100644 --- a/src/gpt-auto-generator/gpt-auto-generator.c +++ b/src/gpt-auto-generator/gpt-auto-generator.c @@ -302,8 +302,7 @@ static int probe_and_add_mount( if (!b) { if (errno == 0) return log_oom(); - log_error_errno(errno, "Failed to allocate prober: %m"); - return -errno; + return log_error_errno(errno, "Failed to allocate prober: %m"); } blkid_probe_enable_superblocks(b, 1); @@ -502,8 +501,7 @@ static int add_boot(const char *what) { if (!b) { if (errno == 0) return log_oom(); - log_error_errno(errno, "Failed to allocate prober: %m"); - return -errno; + return log_error_errno(errno, "Failed to allocate prober: %m"); } blkid_probe_enable_partitions(b, 1); diff --git a/src/initctl/initctl.c b/src/initctl/initctl.c index f1cf31a4a8..d4f8673187 100644 --- a/src/initctl/initctl.c +++ b/src/initctl/initctl.c @@ -212,8 +212,7 @@ static int fifo_process(Fifo *f) { if (errno == EAGAIN) return 0; - log_warning_errno(errno, "Failed to read from fifo: %m"); - return -errno; + return log_warning_errno(errno, "Failed to read from fifo: %m"); } f->bytes_read += l; diff --git a/src/journal/catalog.c b/src/journal/catalog.c index 8942d6ec44..fcaa54aa0c 100644 --- a/src/journal/catalog.c +++ b/src/journal/catalog.c @@ -221,8 +221,7 @@ int catalog_import_file(Hashmap *h, struct strbuf *sb, const char *path) { if (feof(f)) break; - log_error_errno(errno, "Failed to read file %s: %m", path); - return -errno; + return log_error_errno(errno, "Failed to read file %s: %m", path); } n++; diff --git a/src/journal/journald-kmsg.c b/src/journal/journald-kmsg.c index c0712b5644..e048e04716 100644 --- a/src/journal/journald-kmsg.c +++ b/src/journal/journald-kmsg.c @@ -347,8 +347,7 @@ static int server_read_dev_kmsg(Server *s) { if (errno == EAGAIN || errno == EINTR || errno == EPIPE) return 0; - log_error_errno(errno, "Failed to read from kernel: %m"); - return -errno; + return log_error_errno(errno, "Failed to read from kernel: %m"); } dev_kmsg_record(s, buffer, l); diff --git a/src/journal/journald-stream.c b/src/journal/journald-stream.c index fb6afee171..fb800782fb 100644 --- a/src/journal/journald-stream.c +++ b/src/journal/journald-stream.c @@ -538,8 +538,7 @@ static int stdout_stream_new(sd_event_source *es, int listen_fd, uint32_t revent if (errno == EAGAIN) return 0; - log_error_errno(errno, "Failed to accept stdout connection: %m"); - return -errno; + return log_error_errno(errno, "Failed to accept stdout connection: %m"); } if (s->n_stdout_streams >= STDOUT_STREAMS_MAX) { diff --git a/src/libudev/libudev-monitor.c b/src/libudev/libudev-monitor.c index c3883e485b..f870eba9eb 100644 --- a/src/libudev/libudev-monitor.c +++ b/src/libudev/libudev-monitor.c @@ -414,10 +414,8 @@ _public_ int udev_monitor_enable_receiving(struct udev_monitor *udev_monitor) if (err >= 0) monitor_set_nl_address(udev_monitor); - else { - log_debug_errno(errno, "bind failed: %m"); - return -errno; - } + else + return log_debug_errno(errno, "bind failed: %m"); /* enable receiving of sender credentials */ err = setsockopt(udev_monitor->sock, SOL_SOCKET, SO_PASSCRED, &on, sizeof(on)); diff --git a/src/login/logind.c b/src/login/logind.c index d1e2ea2489..83896ea627 100644 --- a/src/login/logind.c +++ b/src/login/logind.c @@ -297,8 +297,7 @@ static int manager_enumerate_seats(Manager *m) { if (errno == ENOENT) return 0; - log_error_errno(errno, "Failed to open /run/systemd/seats: %m"); - return -errno; + return log_error_errno(errno, "Failed to open /run/systemd/seats: %m"); } FOREACH_DIRENT(de, d, return -errno) { @@ -334,8 +333,7 @@ static int manager_enumerate_linger_users(Manager *m) { if (errno == ENOENT) return 0; - log_error_errno(errno, "Failed to open /var/lib/systemd/linger/: %m"); - return -errno; + return log_error_errno(errno, "Failed to open /var/lib/systemd/linger/: %m"); } FOREACH_DIRENT(de, d, return -errno) { @@ -370,8 +368,7 @@ static int manager_enumerate_users(Manager *m) { if (errno == ENOENT) return 0; - log_error_errno(errno, "Failed to open /run/systemd/users: %m"); - return -errno; + return log_error_errno(errno, "Failed to open /run/systemd/users: %m"); } FOREACH_DIRENT(de, d, return -errno) { @@ -411,8 +408,7 @@ static int manager_enumerate_sessions(Manager *m) { if (errno == ENOENT) return 0; - log_error_errno(errno, "Failed to open /run/systemd/sessions: %m"); - return -errno; + return log_error_errno(errno, "Failed to open /run/systemd/sessions: %m"); } FOREACH_DIRENT(de, d, return -errno) { @@ -458,8 +454,7 @@ static int manager_enumerate_inhibitors(Manager *m) { if (errno == ENOENT) return 0; - log_error_errno(errno, "Failed to open /run/systemd/inhibit: %m"); - return -errno; + return log_error_errno(errno, "Failed to open /run/systemd/inhibit: %m"); } FOREACH_DIRENT(de, d, return -errno) { @@ -749,8 +744,7 @@ static int manager_connect_console(Manager *m) { if (errno == ENOENT) return 0; - log_error_errno(errno, "Failed to open /sys/class/tty/tty0/active: %m"); - return -errno; + return log_error_errno(errno, "Failed to open /sys/class/tty/tty0/active: %m"); } r = sd_event_add_io(m->event, &m->console_active_event_source, m->console_active_fd, 0, manager_dispatch_console, m); diff --git a/src/machine/machined.c b/src/machine/machined.c index d6e7ce67fc..a099de9f36 100644 --- a/src/machine/machined.c +++ b/src/machine/machined.c @@ -150,8 +150,7 @@ int manager_enumerate_machines(Manager *m) { if (errno == ENOENT) return 0; - log_error_errno(errno, "Failed to open /run/systemd/machines: %m"); - return -errno; + return log_error_errno(errno, "Failed to open /run/systemd/machines: %m"); } FOREACH_DIRENT(de, d, return -errno) { diff --git a/src/modules-load/modules-load.c b/src/modules-load/modules-load.c index b90c50719f..13784763f1 100644 --- a/src/modules-load/modules-load.c +++ b/src/modules-load/modules-load.c @@ -151,8 +151,7 @@ static int apply_file(struct kmod_ctx *ctx, const char *path, bool ignore_enoent if (feof(f)) break; - log_error_errno(errno, "Failed to read file '%s', ignoring: %m", path); - return -errno; + return log_error_errno(errno, "Failed to read file '%s', ignoring: %m", path); } l = strstrip(line); diff --git a/src/nspawn/nspawn-mount.c b/src/nspawn/nspawn-mount.c index ee61306aa5..c8e627ac78 100644 --- a/src/nspawn/nspawn-mount.c +++ b/src/nspawn/nspawn-mount.c @@ -441,8 +441,7 @@ static int mount_bind(const char *dest, CustomMount *m) { if (r < 0) return log_error_errno(r, "Failed to make parents of %s: %m", where); } else { - log_error_errno(errno, "Failed to stat %s: %m", where); - return -errno; + return log_error_errno(errno, "Failed to stat %s: %m", where); } /* Create the mount point. Any non-directory file can be diff --git a/src/nspawn/nspawn.c b/src/nspawn/nspawn.c index 0a8ea84ea6..ea82069d46 100644 --- a/src/nspawn/nspawn.c +++ b/src/nspawn/nspawn.c @@ -1754,8 +1754,7 @@ static int dissect_image( if (errno == 0) return log_oom(); - log_error_errno(errno, "Failed to set device on blkid probe: %m"); - return -errno; + return log_error_errno(errno, "Failed to set device on blkid probe: %m"); } blkid_probe_enable_partitions(b, 1); @@ -1771,8 +1770,7 @@ static int dissect_image( } else if (r != 0) { if (errno == 0) errno = EIO; - log_error_errno(errno, "Failed to probe: %m"); - return -errno; + return log_error_errno(errno, "Failed to probe: %m"); } (void) blkid_probe_lookup_value(b, "PTTYPE", &pttype, NULL); @@ -1895,8 +1893,7 @@ static int dissect_image( if (!errno) errno = ENOMEM; - log_error_errno(errno, "Failed to get partition device of %s: %m", arg_image); - return -errno; + return log_error_errno(errno, "Failed to get partition device of %s: %m", arg_image); } qn = udev_device_get_devnum(q); @@ -2103,8 +2100,7 @@ static int mount_device(const char *what, const char *where, const char *directo if (!b) { if (errno == 0) return log_oom(); - log_error_errno(errno, "Failed to allocate prober for %s: %m", what); - return -errno; + return log_error_errno(errno, "Failed to allocate prober for %s: %m", what); } blkid_probe_enable_superblocks(b, 1); @@ -2118,8 +2114,7 @@ static int mount_device(const char *what, const char *where, const char *directo } else if (r != 0) { if (errno == 0) errno = EIO; - log_error_errno(errno, "Failed to probe %s: %m", what); - return -errno; + return log_error_errno(errno, "Failed to probe %s: %m", what); } errno = 0; diff --git a/src/rc-local-generator/rc-local-generator.c b/src/rc-local-generator/rc-local-generator.c index 8e5cf0908c..6ecadbf3e5 100644 --- a/src/rc-local-generator/rc-local-generator.c +++ b/src/rc-local-generator/rc-local-generator.c @@ -62,8 +62,7 @@ static int add_symlink(const char *service, const char *where) { if (errno == EEXIST) return 0; - log_error_errno(errno, "Failed to create symlink %s: %m", to); - return -errno; + return log_error_errno(errno, "Failed to create symlink %s: %m", to); } return 1; diff --git a/src/shared/clean-ipc.c b/src/shared/clean-ipc.c index c60f605997..835fe52423 100644 --- a/src/shared/clean-ipc.c +++ b/src/shared/clean-ipc.c @@ -48,8 +48,7 @@ static int clean_sysvipc_shm(uid_t delete_uid) { if (errno == ENOENT) return 0; - log_warning_errno(errno, "Failed to open /proc/sysvipc/shm: %m"); - return -errno; + return log_warning_errno(errno, "Failed to open /proc/sysvipc/shm: %m"); } FOREACH_LINE(line, f, goto fail) { @@ -91,8 +90,7 @@ static int clean_sysvipc_shm(uid_t delete_uid) { return ret; fail: - log_warning_errno(errno, "Failed to read /proc/sysvipc/shm: %m"); - return -errno; + return log_warning_errno(errno, "Failed to read /proc/sysvipc/shm: %m"); } static int clean_sysvipc_sem(uid_t delete_uid) { @@ -106,8 +104,7 @@ static int clean_sysvipc_sem(uid_t delete_uid) { if (errno == ENOENT) return 0; - log_warning_errno(errno, "Failed to open /proc/sysvipc/sem: %m"); - return -errno; + return log_warning_errno(errno, "Failed to open /proc/sysvipc/sem: %m"); } FOREACH_LINE(line, f, goto fail) { @@ -144,8 +141,7 @@ static int clean_sysvipc_sem(uid_t delete_uid) { return ret; fail: - log_warning_errno(errno, "Failed to read /proc/sysvipc/sem: %m"); - return -errno; + return log_warning_errno(errno, "Failed to read /proc/sysvipc/sem: %m"); } static int clean_sysvipc_msg(uid_t delete_uid) { @@ -159,8 +155,7 @@ static int clean_sysvipc_msg(uid_t delete_uid) { if (errno == ENOENT) return 0; - log_warning_errno(errno, "Failed to open /proc/sysvipc/msg: %m"); - return -errno; + return log_warning_errno(errno, "Failed to open /proc/sysvipc/msg: %m"); } FOREACH_LINE(line, f, goto fail) { @@ -198,8 +193,7 @@ static int clean_sysvipc_msg(uid_t delete_uid) { return ret; fail: - log_warning_errno(errno, "Failed to read /proc/sysvipc/msg: %m"); - return -errno; + return log_warning_errno(errno, "Failed to read /proc/sysvipc/msg: %m"); } static int clean_posix_shm_internal(DIR *dir, uid_t uid) { @@ -277,8 +271,7 @@ static int clean_posix_shm(uid_t uid) { if (errno == ENOENT) return 0; - log_warning_errno(errno, "Failed to open /dev/shm: %m"); - return -errno; + return log_warning_errno(errno, "Failed to open /dev/shm: %m"); } return clean_posix_shm_internal(dir, uid); @@ -294,8 +287,7 @@ static int clean_posix_mq(uid_t uid) { if (errno == ENOENT) return 0; - log_warning_errno(errno, "Failed to open /dev/mqueue: %m"); - return -errno; + return log_warning_errno(errno, "Failed to open /dev/mqueue: %m"); } FOREACH_DIRENT(de, dir, goto fail) { @@ -334,8 +326,7 @@ static int clean_posix_mq(uid_t uid) { return ret; fail: - log_warning_errno(errno, "Failed to read /dev/mqueue: %m"); - return -errno; + return log_warning_errno(errno, "Failed to read /dev/mqueue: %m"); } int clean_ipc(uid_t uid) { diff --git a/src/sysctl/sysctl.c b/src/sysctl/sysctl.c index 24cfe58cd6..152c98b348 100644 --- a/src/sysctl/sysctl.c +++ b/src/sysctl/sysctl.c @@ -88,8 +88,7 @@ static int parse_file(Hashmap *sysctl_options, const char *path, bool ignore_eno if (feof(f)) break; - log_error_errno(errno, "Failed to read file '%s', ignoring: %m", path); - return -errno; + return log_error_errno(errno, "Failed to read file '%s', ignoring: %m", path); } p = strstrip(l); diff --git a/src/udev/udev-event.c b/src/udev/udev-event.c index 6b4bd31281..5d6542d3ad 100644 --- a/src/udev/udev-event.c +++ b/src/udev/udev-event.c @@ -441,9 +441,7 @@ static int spawn_exec(struct udev_event *event, execve(argv[0], argv, envp); /* exec failed */ - log_error_errno(errno, "failed to execute '%s' '%s': %m", argv[0], cmd); - - return -errno; + return log_error_errno(errno, "failed to execute '%s' '%s': %m", argv[0], cmd); } static void spawn_read(struct udev_event *event, diff --git a/src/udev/udev-node.c b/src/udev/udev-node.c index afdeb0a21b..c2edf2c5cd 100644 --- a/src/udev/udev-node.c +++ b/src/udev/udev-node.c @@ -263,8 +263,7 @@ static int node_permissions_apply(struct udev_device *dev, bool apply, mode |= S_IFCHR; if (lstat(devnode, &stats) != 0) { - err = -errno; - log_debug_errno(errno, "can not stat() node '%s' (%m)", devnode); + err = log_debug_errno(errno, "can not stat() node '%s' (%m)", devnode); goto out; } -- cgit v1.2.3-54-g00ecf