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device/ethernet: ignore s390 'portname' attribute when not set

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The 'portname' sysfs attribute of s390 devices is deprecated since
kernel 4.4 and always set to 'no portname required'. But even on older
kernels such value must be interpreted as an unset portname and thus
ignored.

https://bugzilla.redhat.com/show_bug.cgi?id=1327204
(cherry picked from commit 0589e659ca)
This commit is contained in:
Beniamino Galvani 2016-04-14 18:34:45 +02:00
parent ba77eb5f43
commit fc6b8ba1bf
1 changed files with 11 additions and 6 deletions
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17
src/devices/nm-device-ethernet.c
View file

@ -200,16 +200,21 @@ _update_s390_subchannels (NMDeviceEthernet *self)
} else if ( !strcmp (item, "layer2")
|| !strcmp (item, "portname")
|| !strcmp (item, "portno")) {
char *path, *value;
gs_free char *path = NULL, *value = NULL;
path = g_strdup_printf ("%s/%s", parent_path, item);
value = nm_platform_sysctl_get (NM_PLATFORM_GET, path);
if (value && *value)
g_hash_table_insert (priv->s390_options, g_strdup (item), g_strdup (value));
else
if ( !strcmp (item, "portname")
&& !g_strcmp0 (value, "no portname required")) {
/* Do nothing */
} else if (value && *value) {
g_hash_table_insert (priv->s390_options, g_strdup (item), value);
value = NULL;
} else
_LOGW (LOGD_DEVICE | LOGD_HW, "error reading %s", path);
g_free (path);
g_free (value);
}
if (error) {
_LOGW (LOGD_DEVICE | LOGD_HW, "%s", error->message);
g_clear_error (&error);