X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Fgpt-auto-generator%2Fgpt-auto-generator.c;h=32e9b78a1dc4e97ddb81aac01fb5929a28942408;hb=144232a8e0ea77eed8c5a456832758681b5b3511;hp=4927919b81d5d3c446ba535998dc66d352a4a91e;hpb=fa041593fe04b12ffd7e81d8b3598a7a6f313fb3;p=elogind.git diff --git a/src/gpt-auto-generator/gpt-auto-generator.c b/src/gpt-auto-generator/gpt-auto-generator.c index 4927919b8..32e9b78a1 100644 --- a/src/gpt-auto-generator/gpt-auto-generator.c +++ b/src/gpt-auto-generator/gpt-auto-generator.c @@ -68,10 +68,8 @@ static int add_swap(const char *path) { return log_oom(); f = fopen(unit, "wxe"); - if (!f) { - log_error("Failed to create unit file %s: %m", unit); - return -errno; - } + if (!f) + return log_error_errno(errno, "Failed to create unit file %s: %m", unit); fprintf(f, "# Automatically generated by systemd-gpt-auto-generator\n\n" @@ -83,20 +81,16 @@ static int add_swap(const char *path) { path); fflush(f); - if (ferror(f)) { - log_error("Failed to write unit file %s: %m", unit); - return -errno; - } + if (ferror(f)) + return log_error_errno(errno, "Failed to write unit file %s: %m", unit); lnk = strjoin(arg_dest, "/" SPECIAL_SWAP_TARGET ".wants/", name, NULL); if (!lnk) return log_oom(); mkdir_parents_label(lnk, 0755); - if (symlink(unit, lnk) < 0) { - log_error("Failed to create symlink %s: %m", lnk); - return -errno; - } + if (symlink(unit, lnk) < 0) + return log_error_errno(errno, "Failed to create symlink %s: %m", lnk); return 0; } @@ -124,14 +118,12 @@ static int add_cryptsetup(const char *id, const char *what, bool rw, char **devi return log_oom(); p = strjoin(arg_dest, "/", n, NULL); - if (!n) + if (!p) return log_oom(); f = fopen(p, "wxe"); - if (!f) { - log_error("Failed to create unit file %s: %m", p); - return -errno; - } + if (!f) + return log_error_errno(errno, "Failed to create unit file %s: %m", p); fprintf(f, "# Automatically generated by systemd-gpt-auto-generator\n\n" @@ -144,7 +136,6 @@ static int add_cryptsetup(const char *id, const char *what, bool rw, char **devi "Before=umount.target cryptsetup.target\n" "After=%s\n" "IgnoreOnIsolate=true\n" - "After=systemd-readahead-collect.service systemd-readahead-replay.service\n\n" "[Service]\n" "Type=oneshot\n" "RemainAfterExit=yes\n" @@ -156,10 +147,8 @@ static int add_cryptsetup(const char *id, const char *what, bool rw, char **devi id); fflush(f); - if (ferror(f)) { - log_error("Failed to write file %s: %m", p); - return -errno; - } + if (ferror(f)) + return log_error_errno(errno, "Failed to write file %s: %m", p); from = strappenda("../", n); @@ -168,10 +157,8 @@ static int add_cryptsetup(const char *id, const char *what, bool rw, char **devi return log_oom(); mkdir_parents_label(to, 0755); - if (symlink(from, to) < 0) { - log_error("Failed to create symlink %s: %m", to); - return -errno; - } + if (symlink(from, to) < 0) + return log_error_errno(errno, "Failed to create symlink %s: %m", to); free(to); to = strjoin(arg_dest, "/cryptsetup.target.requires/", n, NULL); @@ -179,10 +166,8 @@ static int add_cryptsetup(const char *id, const char *what, bool rw, char **devi return log_oom(); mkdir_parents_label(to, 0755); - if (symlink(from, to) < 0) { - log_error("Failed to create symlink %s: %m", to); - return -errno; - } + if (symlink(from, to) < 0) + return log_error_errno(errno, "Failed to create symlink %s: %m", to); free(to); to = strjoin(arg_dest, "/dev-mapper-", e, ".device.requires/", n, NULL); @@ -190,10 +175,8 @@ static int add_cryptsetup(const char *id, const char *what, bool rw, char **devi return log_oom(); mkdir_parents_label(to, 0755); - if (symlink(from, to) < 0) { - log_error("Failed to create symlink %s: %m", to); - return -errno; - } + if (symlink(from, to) < 0) + return log_error_errno(errno, "Failed to create symlink %s: %m", to); free(p); p = strjoin(arg_dest, "/dev-mapper-", e, ".device.d/50-job-timeout-sec-0.conf", NULL); @@ -205,10 +188,8 @@ static int add_cryptsetup(const char *id, const char *what, bool rw, char **devi "# Automatically generated by systemd-gpt-auto-generator\n\n" "[Unit]\n" "JobTimeoutSec=0\n"); /* the binary handles timeouts anyway */ - if (r < 0) { - log_error("Failed to write device drop-in: %s", strerror(-r)); - return r; - } + if (r < 0) + return log_error_errno(r, "Failed to write device drop-in: %m"); ret = strappend("/dev/mapper/", id); if (!ret) @@ -257,10 +238,8 @@ static int add_mount( return log_oom(); f = fopen(p, "wxe"); - if (!f) { - log_error("Failed to create unit file %s: %m", unit); - return -errno; - } + if (!f) + return log_error_errno(errno, "Failed to create unit file %s: %m", unit); fprintf(f, "# Automatically generated by systemd-gpt-auto-generator\n\n" @@ -289,10 +268,8 @@ static int add_mount( fprintf(f, "Options=%s\n", rw ? "rw" : "ro"); fflush(f); - if (ferror(f)) { - log_error("Failed to write unit file %s: %m", p); - return -errno; - } + if (ferror(f)) + return log_error_errno(errno, "Failed to write unit file %s: %m", p); if (post) { lnk = strjoin(arg_dest, "/", post, ".requires/", unit, NULL); @@ -300,10 +277,8 @@ static int add_mount( return log_oom(); mkdir_parents_label(lnk, 0755); - if (symlink(p, lnk) < 0) { - log_error("Failed to create symlink %s: %m", lnk); - return -errno; - } + if (symlink(p, lnk) < 0) + return log_error_errno(errno, "Failed to create symlink %s: %m", lnk); } return 0; @@ -340,7 +315,7 @@ static int probe_and_add_mount( if (!b) { if (errno == 0) return log_oom(); - log_error("Failed to allocate prober: %m"); + log_error_errno(errno, "Failed to allocate prober: %m"); return -errno; } @@ -354,7 +329,7 @@ static int probe_and_add_mount( else if (r != 0) { if (errno == 0) errno = EIO; - log_error("Failed to probe %s: %m", what); + log_error_errno(errno, "Failed to probe %s: %m", what); return -errno; } @@ -432,12 +407,10 @@ static int enumerate_partitions(dev_t devnum) { if (errno == 0) return log_oom(); - log_error("Failed allocate prober: %m"); + log_error_errno(errno, "Failed allocate prober: %m"); return -errno; } - blkid_probe_enable_superblocks(b, 1); - blkid_probe_set_superblocks_flags(b, BLKID_SUBLKS_TYPE); blkid_probe_enable_partitions(b, 1); blkid_probe_set_partitions_flags(b, BLKID_PARTS_ENTRY_DETAILS); @@ -448,7 +421,7 @@ static int enumerate_partitions(dev_t devnum) { else if (r != 0) { if (errno == 0) errno = EIO; - log_error("Failed to probe %s: %m", node); + log_error_errno(errno, "Failed to probe %s: %m", node); return -errno; } @@ -457,7 +430,7 @@ static int enumerate_partitions(dev_t devnum) { if (r != 0) { if (errno == 0) errno = EIO; - log_error("Failed to determine partition table type of %s: %m", node); + log_error_errno(errno, "Failed to determine partition table type of %s: %m", node); return -errno; } @@ -473,7 +446,7 @@ static int enumerate_partitions(dev_t devnum) { if (errno == 0) return log_oom(); - log_error("Failed to list partitions of %s: %m", node); + log_error_errno(errno, "Failed to list partitions of %s: %m", node); return -errno; } @@ -490,10 +463,8 @@ static int enumerate_partitions(dev_t devnum) { return log_oom(); r = udev_enumerate_scan_devices(e); - if (r < 0) { - log_error("Failed to enumerate partitions on %s: %s", node, strerror(-r)); - return r; - } + if (r < 0) + return log_error_errno(r, "Failed to enumerate partitions on %s: %m", node); first = udev_enumerate_get_list_entry(e); udev_list_entry_foreach(item, first) { @@ -683,8 +654,8 @@ static int parse_proc_cmdline_item(const char *key, const char *value) { r = parse_boolean(value); if (r < 0) log_warning("Failed to parse gpt-auto switch %s. Ignoring.", value); - - arg_enabled = r; + else + arg_enabled = r; } else if (streq(key, "root") && value) { @@ -697,8 +668,6 @@ static int parse_proc_cmdline_item(const char *key, const char *value) { arg_root_rw = true; else if (streq(key, "ro") && !value) arg_root_rw = false; - else if (startswith(key, "systemd.gpt-auto.") || startswith(key, "rd.systemd.gpt-auto.")) - log_warning("Unknown kernel switch %s. Ignoring.", key); return 0; } @@ -717,10 +686,8 @@ static int add_root_mount(void) { if (r == -ENOENT) { log_debug("EFI loader partition unknown, exiting."); return 0; - } else if (r < 0) { - log_error("Failed to read ESP partition UUID: %s", strerror(-r)); - return r; - } + } else if (r < 0) + return log_error_errno(r, "Failed to read ESP partition UUID: %m"); /* OK, we have an ESP partition, this is fantastic, so let's * wait for a root device to show up. A udev rule will create @@ -744,10 +711,9 @@ static int add_mounts(void) { int r; r = get_block_device("/", &devno); - if (r < 0) { - log_error("Failed to determine block device of root file system: %s", strerror(-r)); - return r; - } else if (r == 0) { + if (r < 0) + return log_error_errno(r, "Failed to determine block device of root file system: %m"); + else if (r == 0) { log_debug("Root file system not on a (single) block device."); return 0; } @@ -777,8 +743,9 @@ int main(int argc, char *argv[]) { return EXIT_SUCCESS; } - if (parse_proc_cmdline(parse_proc_cmdline_item) < 0) - return EXIT_FAILURE; + r = parse_proc_cmdline(parse_proc_cmdline_item); + if (r < 0) + log_warning_errno(r, "Failed to parse kernel command line, ignoring: %m"); if (!arg_enabled) { log_debug("Disabled, exiting.");