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authorThomas Graf <tgraf@suug.ch>2012-06-13 02:55:00 +0000
committerDavid S. Miller <davem@davemloft.net>2012-06-13 15:46:35 -0700
commit4e4f2f69704be0ae218d91fb827e5a6987fe262f (patch)
treec09331aa6359ab7aa56a122b266b6614998f159b /net/dcb
parent716b31abbd39baab307c0a7b38dce9a20c16c62d (diff)
downloadlinux-4e4f2f69704be0ae218d91fb827e5a6987fe262f.tar.gz
dcbnl: Move dcb app allocation into dcb_app_add()
Signed-off-by: Thomas Graf <tgraf@suug.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/dcb')
-rw-r--r--net/dcb/dcbnl.c47
1 files changed, 22 insertions, 25 deletions
diff --git a/net/dcb/dcbnl.c b/net/dcb/dcbnl.c
index 6817f143995..6e1c3246823 100644
--- a/net/dcb/dcbnl.c
+++ b/net/dcb/dcbnl.c
@@ -1732,6 +1732,21 @@ static struct dcb_app_type *dcb_app_lookup(const struct dcb_app *app,
return NULL;
}
+static int dcb_app_add(const struct dcb_app *app, int ifindex)
+{
+ struct dcb_app_type *entry;
+
+ entry = kmalloc(sizeof(*entry), GFP_ATOMIC);
+ if (!entry)
+ return -ENOMEM;
+
+ memcpy(&entry->app, app, sizeof(*app));
+ entry->ifindex = ifindex;
+ list_add(&entry->list, &dcb_app_list);
+
+ return 0;
+}
+
/**
* dcb_getapp - retrieve the DCBX application user priority
*
@@ -1764,6 +1779,7 @@ int dcb_setapp(struct net_device *dev, struct dcb_app *new)
{
struct dcb_app_type *itr;
struct dcb_app_type event;
+ int err = 0;
event.ifindex = dev->ifindex;
memcpy(&event.app, new, sizeof(event.app));
@@ -1782,22 +1798,13 @@ int dcb_setapp(struct net_device *dev, struct dcb_app *new)
goto out;
}
/* App type does not exist add new application type */
- if (new->priority) {
- struct dcb_app_type *entry;
- entry = kmalloc(sizeof(struct dcb_app_type), GFP_ATOMIC);
- if (!entry) {
- spin_unlock(&dcb_lock);
- return -ENOMEM;
- }
-
- memcpy(&entry->app, new, sizeof(*new));
- entry->ifindex = dev->ifindex;
- list_add(&entry->list, &dcb_app_list);
- }
+ if (new->priority)
+ err = dcb_app_add(new, dev->ifindex);
out:
spin_unlock(&dcb_lock);
- call_dcbevent_notifiers(DCB_APP_EVENT, &event);
- return 0;
+ if (!err)
+ call_dcbevent_notifiers(DCB_APP_EVENT, &event);
+ return err;
}
EXPORT_SYMBOL(dcb_setapp);
@@ -1831,7 +1838,6 @@ EXPORT_SYMBOL(dcb_ieee_getapp_mask);
*/
int dcb_ieee_setapp(struct net_device *dev, struct dcb_app *new)
{
- struct dcb_app_type *entry;
struct dcb_app_type event;
int err = 0;
@@ -1847,16 +1853,7 @@ int dcb_ieee_setapp(struct net_device *dev, struct dcb_app *new)
goto out;
}
- /* App entry does not exist add new entry */
- entry = kmalloc(sizeof(struct dcb_app_type), GFP_ATOMIC);
- if (!entry) {
- err = -ENOMEM;
- goto out;
- }
-
- memcpy(&entry->app, new, sizeof(*new));
- entry->ifindex = dev->ifindex;
- list_add(&entry->list, &dcb_app_list);
+ err = dcb_app_add(new, dev->ifindex);
out:
spin_unlock(&dcb_lock);
if (!err)