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authorZbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>2016-01-12 20:22:30 -0500
committerZbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>2016-01-18 15:21:28 -0500
commitc952944ef8229dc816de59b00131be0f9b740c7f (patch)
treeca52c76a143ca43613430823bd7eda86c6e810af /src/libsystemd-network
parentb0e6520c42bdcee2e4e8ea0aa078e9d056c1e56f (diff)
sd-ndisc: simplify if stmt and reindent log messages
Merge separate two error handling statements into two nested ifs. This looks cleaner, and avoids a gcc warning about *prefix being uninitialized. While at it, fix identation of logging statements elsewhere in the file.
Diffstat (limited to 'src/libsystemd-network')
-rw-r--r--src/libsystemd-network/sd-ndisc.c31
1 files changed, 15 insertions, 16 deletions
diff --git a/src/libsystemd-network/sd-ndisc.c b/src/libsystemd-network/sd-ndisc.c
index 427d8784d3..0ee466b32a 100644
--- a/src/libsystemd-network/sd-ndisc.c
+++ b/src/libsystemd-network/sd-ndisc.c
@@ -354,14 +354,13 @@ static int ndisc_prefix_update(sd_ndisc *nd, ssize_t len,
r = ndisc_prefix_match(nd, &prefix_opt->nd_opt_pi_prefix,
prefix_opt->nd_opt_pi_prefix_len, &prefix);
+ if (r < 0) {
+ if (r != -EADDRNOTAVAIL)
+ return r;
- if (r < 0 && r != -EADDRNOTAVAIL)
- return r;
-
- /* if router advertisment prefix valid timeout is zero, the timeout
- callback will be called immediately to clean up the prefix */
+ /* if router advertisment prefix valid timeout is zero, the timeout
+ callback will be called immediately to clean up the prefix */
- if (r == -EADDRNOTAVAIL) {
r = ndisc_prefix_new(nd, &prefix);
if (r < 0)
return r;
@@ -372,9 +371,9 @@ static int ndisc_prefix_update(sd_ndisc *nd, ssize_t len,
sizeof(prefix->addr));
log_ndisc(nd, "New prefix "SD_NDISC_ADDRESS_FORMAT_STR"/%d lifetime %d expires in %s",
- SD_NDISC_ADDRESS_FORMAT_VAL(prefix->addr),
- prefix->len, lifetime_valid,
- format_timespan(time_string, FORMAT_TIMESPAN_MAX, lifetime_valid * USEC_PER_SEC, USEC_PER_SEC));
+ SD_NDISC_ADDRESS_FORMAT_VAL(prefix->addr),
+ prefix->len, lifetime_valid,
+ format_timespan(time_string, FORMAT_TIMESPAN_MAX, lifetime_valid * USEC_PER_SEC, USEC_PER_SEC));
LIST_PREPEND(prefixes, nd->prefixes, prefix);
@@ -385,17 +384,17 @@ static int ndisc_prefix_update(sd_ndisc *nd, ssize_t len,
prefixlen = MIN(prefix->len, prefix_opt->nd_opt_pi_prefix_len);
log_ndisc(nd, "Prefix length mismatch %d/%d using %d",
- prefix->len,
- prefix_opt->nd_opt_pi_prefix_len,
- prefixlen);
+ prefix->len,
+ prefix_opt->nd_opt_pi_prefix_len,
+ prefixlen);
prefix->len = prefixlen;
}
log_ndisc(nd, "Update prefix "SD_NDISC_ADDRESS_FORMAT_STR"/%d lifetime %d expires in %s",
- SD_NDISC_ADDRESS_FORMAT_VAL(prefix->addr),
- prefix->len, lifetime_valid,
- format_timespan(time_string, FORMAT_TIMESPAN_MAX, lifetime_valid * USEC_PER_SEC, USEC_PER_SEC));
+ SD_NDISC_ADDRESS_FORMAT_VAL(prefix->addr),
+ prefix->len, lifetime_valid,
+ format_timespan(time_string, FORMAT_TIMESPAN_MAX, lifetime_valid * USEC_PER_SEC, USEC_PER_SEC));
}
r = sd_event_now(nd->event, clock_boottime_or_monotonic(), &time_now);
@@ -449,7 +448,7 @@ static int ndisc_ra_parse(sd_ndisc *nd, struct nd_router_advert *ra, ssize_t len
nd->mtu = MAX(mtu, IP6_MIN_MTU);
log_ndisc(nd, "Router Advertisement link MTU %d using %d",
- mtu, nd->mtu);
+ mtu, nd->mtu);
}
break;