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platform: stack-allocate anycast_mask path in _linktype_get_type()

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This commit is contained in:
Thomas Haller 2016-04-21 14:43:03 +02:00
parent e714a20bc2
commit a6477fca48
1 changed files with 6 additions and 4 deletions
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10
src/platform/nm-linux-platform.c
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@ -697,9 +697,8 @@ _linktype_get_type (NMPlatform *platform,
return NM_LINK_TYPE_IP6TNL;
if (ifname) {
char anycast_mask[NM_STRLEN ("/sys/class/net/123456789012345/anycast_mask\0") + 100 /*safety*/];
gs_free char *driver = NULL;
gs_free char *sysfs_path = NULL;
gs_free char *anycast_mask = NULL;
gs_free char *devtype = NULL;
/* Fallback OVS detection for kernel <= 3.16 */
@ -716,8 +715,11 @@ _linktype_get_type (NMPlatform *platform,
}
}
sysfs_path = g_strdup_printf ("/sys/class/net/%s", ifname);
anycast_mask = g_strdup_printf ("%s/anycast_mask", sysfs_path);
nm_sprintf_buf (anycast_mask,
"/sys/class/net/%s/anycast_mask",
NM_ASSERT_VALID_PATH_COMPONENT (ifname));
nm_assert (strlen (anycast_mask) < sizeof (anycast_mask) - 1);
if (g_file_test (anycast_mask, G_FILE_TEST_EXISTS))
return NM_LINK_TYPE_OLPC_MESH;