diff options
Diffstat (limited to 'src/libsystemd-network/sd-lldp.c')
-rw-r--r-- | src/libsystemd-network/sd-lldp.c | 68 |
1 files changed, 42 insertions, 26 deletions
diff --git a/src/libsystemd-network/sd-lldp.c b/src/libsystemd-network/sd-lldp.c index 6a2c05185d..574e04b541 100644 --- a/src/libsystemd-network/sd-lldp.c +++ b/src/libsystemd-network/sd-lldp.c @@ -392,7 +392,7 @@ static void lldp_mib_delete_objects(sd_lldp *lldp) { break; if (t <= 0) - t = now(CLOCK_BOOTTIME); + t = now(clock_boottime_or_monotonic()); if (p->until > t) break; @@ -440,7 +440,7 @@ int sd_lldp_save(sd_lldp *lldp, const char *lldp_file) { r = fopen_temporary(lldp_file, &f, &temp_path); if (r < 0) - goto finish; + goto fail; fchmod(fileno(f), 0644); @@ -457,8 +457,10 @@ int sd_lldp_save(sd_lldp *lldp, const char *lldp_file) { mac[0], mac[1], mac[2], mac[3], mac[4], mac[5], type); s = strdup(buf); - if (!s) - return -ENOMEM; + if (!s) { + r = -ENOMEM; + goto fail; + } r = lldp_read_port_id(p->packet, &type, &length, &port_id); if (r < 0) @@ -466,8 +468,10 @@ int sd_lldp_save(sd_lldp *lldp, const char *lldp_file) { if (type != LLDP_PORT_SUBTYPE_MAC_ADDRESS) { k = strndup((char *) port_id, length -1); - if (!k) - return -ENOMEM; + if (!k) { + r = -ENOMEM; + goto fail; + } sprintf(buf, "'_Port=%s' '_PType=%d' ", k , type); free(k); @@ -478,13 +482,15 @@ int sd_lldp_save(sd_lldp *lldp, const char *lldp_file) { } k = strappend(s, buf); - if (!k) - return -ENOMEM; + if (!k) { + r = -ENOMEM; + goto fail; + } free(s); s = k; - time = now(CLOCK_BOOTTIME); + time = now(clock_boottime_or_monotonic()); /* Don't write expired packets */ if (time - p->until <= 0) @@ -493,8 +499,10 @@ int sd_lldp_save(sd_lldp *lldp, const char *lldp_file) { sprintf(buf, "'_TTL="USEC_FMT"' ", p->until); k = strappend(s, buf); - if (!k) - return -ENOMEM; + if (!k) { + r = -ENOMEM; + goto fail; + } free(s); s = k; @@ -504,15 +512,19 @@ int sd_lldp_save(sd_lldp *lldp, const char *lldp_file) { k = strappend(s, "'_NAME=N/A' "); else { t = strndup(k, length); - if (!t) - return -ENOMEM; + if (!t) { + r = -ENOMEM; + goto fail; + } k = strjoin(s, "'_NAME=", t, "' ", NULL); free(t); } - if (!k) - return -ENOMEM; + if (!k) { + r = -ENOMEM; + goto fail; + } free(s); s = k; @@ -522,8 +534,10 @@ int sd_lldp_save(sd_lldp *lldp, const char *lldp_file) { sprintf(buf, "'_CAP=%x'", data); k = strappend(s, buf); - if (!k) - return -ENOMEM; + if (!k) { + r = -ENOMEM; + goto fail; + } free(s); s = k; @@ -531,21 +545,23 @@ int sd_lldp_save(sd_lldp *lldp, const char *lldp_file) { fprintf(f, "%s\n", s); } } - r = 0; - fflush(f); + r = fflush_and_check(f); + if (r < 0) + goto fail; - if (ferror(f) || rename(temp_path, lldp_file) < 0) { + if (rename(temp_path, lldp_file) < 0) { r = -errno; - unlink(lldp_file); - unlink(temp_path); + goto fail; } - finish: - if (r < 0) - log_error("Failed to save lldp data %s: %s", lldp_file, strerror(-r)); + return 0; + + fail: + if (temp_path) + (void) unlink(temp_path); - return r; + return log_error_errno(r, "Failed to save lldp data %s: %m", lldp_file); } int sd_lldp_start(sd_lldp *lldp) { |