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platform: tighten return value from do_add_addrroute()

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Only return TRUE, if the netlink request was responded with success and
the object exists after adding.
This commit is contained in:
Thomas Haller
2015-12-15 13:37:32 +01:00
parent 1a501c6456
commit 88213b2e6a
1 changed files with 11 additions and 5 deletions
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16
src/platform/nm-linux-platform.c
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@@ -3683,9 +3683,11 @@ do_add_link_with_lookup (NMPlatform *platform,
static gboolean
do_add_addrroute (NMPlatform *platform, const NMPObject *obj_id, struct nl_msg *nlmsg)
{
NMLinuxPlatformPrivate *priv = NM_LINUX_PLATFORM_GET_PRIVATE (platform);
WaitForNlResponseResult seq_result = WAIT_FOR_NL_RESPONSE_RESULT_UNKNOWN;
int nle;
char s_buf[256];
const NMPObject *obj;
nm_assert (NM_IN_SET (NMP_OBJECT_GET_TYPE (obj_id),
NMP_OBJECT_TYPE_IP4_ADDRESS, NMP_OBJECT_TYPE_IP6_ADDRESS,
@@ -3721,13 +3723,17 @@ do_add_addrroute (NMPlatform *platform, const NMPObject *obj_id, struct nl_msg *
* whether the object exists.
*
* FIXME: if the object already existed previously, we might not notice a
* missing update. */
if (!nmp_cache_lookup_obj (NM_LINUX_PLATFORM_GET_PRIVATE (platform)->cache, obj_id))
* missing update. It's not clear how to fix that reliably without refechting
* all the time. */
obj = nmp_cache_lookup_obj (priv->cache, obj_id);
if (!obj) {
do_request_one_type (platform, NMP_OBJECT_GET_TYPE (obj_id));
obj = nmp_cache_lookup_obj (priv->cache, obj_id);
}
/* The return value doesn't say, whether the object is in the platform cache after adding
* it. Instead the return value says, whether the netlink request succeeded. */
return seq_result == WAIT_FOR_NL_RESPONSE_RESULT_RESPONSE_OK;
/* Adding is only successful, if kernel reported success *and* we have the
* expected object in cache afterwards. */
return obj && seq_result == WAIT_FOR_NL_RESPONSE_RESULT_RESPONSE_OK;
}
static gboolean