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platform: workaround -Wmaybe-uninitialized with LTO

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With LTO builds, it assumes that the assertion-failed code-paths
can be reached, and thus a warning gets emitted:

  In function nmp_cache_lookup,
      inlined from nm_platform_lookup at src/libnm-platform/nm-platform.c:3377:12,
      inlined from nm_platform_lookup_object at ./src/libnm-platform/nmp-object.h:975:12:
  src/libnm-platform/nmp-object.h:742:46: error: lookup.cache_id_type may be used uninitialized [-Werror=maybe-uninitialized]
    742 |     return nmp_cache_lookup_all(cache, lookup->cache_id_type, &lookup->selector_obj);
        |                                              ^
  ./src/libnm-platform/nmp-object.h: In function nm_platform_lookup_object:
  ./src/libnm-platform/nmp-object.h:972:15: note: lookup declared here
    972 |     NMPLookup lookup;
        |               ^
This commit is contained in:
Thomas Haller 2021-08-27 09:53:18 +02:00
parent 80cab06a14
commit 1ff2d13b7d
No known key found for this signature in database
GPG key ID: 29C2366E4DFC5728
1 changed files with 4 additions and 4 deletions
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8
src/libnm-platform/nmp-object.c
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@ -2078,6 +2078,9 @@ nmp_lookup_init_obj_type(NMPLookup *lookup, NMPObjectType obj_type)
nm_assert(lookup);
switch (obj_type) {
default:
nm_assert_not_reached();
/* fall-through */
case NMP_OBJECT_TYPE_LINK:
case NMP_OBJECT_TYPE_IP4_ADDRESS:
case NMP_OBJECT_TYPE_IP6_ADDRESS:
@ -2089,9 +2092,6 @@ nmp_lookup_init_obj_type(NMPLookup *lookup, NMPObjectType obj_type)
_nmp_object_stackinit_from_type(&lookup->selector_obj, obj_type);
lookup->cache_id_type = NMP_CACHE_ID_TYPE_OBJECT_TYPE;
return _L(lookup);
default:
nm_assert_not_reached();
return NULL;
}
}
@ -2106,7 +2106,7 @@ nmp_lookup_init_link_by_ifname(NMPLookup *lookup, const char *ifname)
o = _nmp_object_stackinit_from_type(&lookup->selector_obj, NMP_OBJECT_TYPE_LINK);
if (g_strlcpy(o->link.name, ifname, sizeof(o->link.name)) >= sizeof(o->link.name))
g_return_val_if_reached(NULL);
nm_assert_not_reached();
lookup->cache_id_type = NMP_CACHE_ID_TYPE_LINK_BY_IFNAME;
return _L(lookup);
}