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Date: Mon, 29 Oct 2012 09:58:05 +0100
From: Antonio Quartulli <ordex@...istici.org>
To: davem@...emloft.net
Cc: netdev@...r.kernel.org, b.a.t.m.a.n@...ts.open-mesh.org,
Marek Lindner <lindner_marek@...oo.de>,
Antonio Quartulli <ordex@...istici.org>
Subject: [PATCH 04/16] batman-adv: consolidate duplicated primary_if checking code
From: Marek Lindner <lindner_marek@...oo.de>
Signed-off-by: Marek Lindner <lindner_marek@...oo.de>
Signed-off-by: Antonio Quartulli <ordex@...istici.org>
---
net/batman-adv/bridge_loop_avoidance.c | 36 ++++++----------------------------
net/batman-adv/gateway_client.c | 19 ++++--------------
net/batman-adv/main.c | 36 ++++++++++++++++++++++++++++++++++
net/batman-adv/main.h | 2 ++
net/batman-adv/originator.c | 19 +++---------------
net/batman-adv/translation-table.c | 36 ++++++----------------------------
6 files changed, 57 insertions(+), 91 deletions(-)
diff --git a/net/batman-adv/bridge_loop_avoidance.c b/net/batman-adv/bridge_loop_avoidance.c
index fd8d5af..29a5542 100644
--- a/net/batman-adv/bridge_loop_avoidance.c
+++ b/net/batman-adv/bridge_loop_avoidance.c
@@ -1585,23 +1585,11 @@ int batadv_bla_claim_table_seq_print_text(struct seq_file *seq, void *offset)
struct hlist_head *head;
uint32_t i;
bool is_own;
- int ret = 0;
uint8_t *primary_addr;
- primary_if = batadv_primary_if_get_selected(bat_priv);
- if (!primary_if) {
- ret = seq_printf(seq,
- "BATMAN mesh %s disabled - please specify interfaces to enable it\n",
- net_dev->name);
+ primary_if = batadv_seq_print_text_primary_if_get(seq);
+ if (!primary_if)
goto out;
- }
-
- if (primary_if->if_status != BATADV_IF_ACTIVE) {
- ret = seq_printf(seq,
- "BATMAN mesh %s disabled - primary interface not active\n",
- net_dev->name);
- goto out;
- }
primary_addr = primary_if->net_dev->dev_addr;
seq_printf(seq,
@@ -1628,7 +1616,7 @@ int batadv_bla_claim_table_seq_print_text(struct seq_file *seq, void *offset)
out:
if (primary_if)
batadv_hardif_free_ref(primary_if);
- return ret;
+ return 0;
}
int batadv_bla_backbone_table_seq_print_text(struct seq_file *seq, void *offset)
@@ -1643,23 +1631,11 @@ int batadv_bla_backbone_table_seq_print_text(struct seq_file *seq, void *offset)
int secs, msecs;
uint32_t i;
bool is_own;
- int ret = 0;
uint8_t *primary_addr;
- primary_if = batadv_primary_if_get_selected(bat_priv);
- if (!primary_if) {
- ret = seq_printf(seq,
- "BATMAN mesh %s disabled - please specify interfaces to enable it\n",
- net_dev->name);
+ primary_if = batadv_seq_print_text_primary_if_get(seq);
+ if (!primary_if)
goto out;
- }
-
- if (primary_if->if_status != BATADV_IF_ACTIVE) {
- ret = seq_printf(seq,
- "BATMAN mesh %s disabled - primary interface not active\n",
- net_dev->name);
- goto out;
- }
primary_addr = primary_if->net_dev->dev_addr;
seq_printf(seq,
@@ -1693,5 +1669,5 @@ int batadv_bla_backbone_table_seq_print_text(struct seq_file *seq, void *offset)
out:
if (primary_if)
batadv_hardif_free_ref(primary_if);
- return ret;
+ return 0;
}
diff --git a/net/batman-adv/gateway_client.c b/net/batman-adv/gateway_client.c
index 15d67ab..dd07c7e 100644
--- a/net/batman-adv/gateway_client.c
+++ b/net/batman-adv/gateway_client.c
@@ -477,22 +477,11 @@ int batadv_gw_client_seq_print_text(struct seq_file *seq, void *offset)
struct batadv_hard_iface *primary_if;
struct batadv_gw_node *gw_node;
struct hlist_node *node;
- int gw_count = 0, ret = 0;
+ int gw_count = 0;
- primary_if = batadv_primary_if_get_selected(bat_priv);
- if (!primary_if) {
- ret = seq_printf(seq,
- "BATMAN mesh %s disabled - please specify interfaces to enable it\n",
- net_dev->name);
+ primary_if = batadv_seq_print_text_primary_if_get(seq);
+ if (!primary_if)
goto out;
- }
-
- if (primary_if->if_status != BATADV_IF_ACTIVE) {
- ret = seq_printf(seq,
- "BATMAN mesh %s disabled - primary interface not active\n",
- net_dev->name);
- goto out;
- }
seq_printf(seq,
" %-12s (%s/%i) %17s [%10s]: gw_class ... [B.A.T.M.A.N. adv %s, MainIF/MAC: %s/%pM (%s)]\n",
@@ -519,7 +508,7 @@ int batadv_gw_client_seq_print_text(struct seq_file *seq, void *offset)
out:
if (primary_if)
batadv_hardif_free_ref(primary_if);
- return ret;
+ return 0;
}
static bool batadv_is_type_dhcprequest(struct sk_buff *skb, int header_len)
diff --git a/net/batman-adv/main.c b/net/batman-adv/main.c
index b4aa470..a4a337d 100644
--- a/net/batman-adv/main.c
+++ b/net/batman-adv/main.c
@@ -188,6 +188,42 @@ int batadv_is_my_mac(const uint8_t *addr)
return 0;
}
+/**
+ * batadv_seq_print_text_primary_if_get - called from debugfs table printing
+ * function that requires the primary interface
+ * @seq: debugfs table seq_file struct
+ *
+ * Returns primary interface if found or NULL otherwise.
+ */
+struct batadv_hard_iface *
+batadv_seq_print_text_primary_if_get(struct seq_file *seq)
+{
+ struct net_device *net_dev = (struct net_device *)seq->private;
+ struct batadv_priv *bat_priv = netdev_priv(net_dev);
+ struct batadv_hard_iface *primary_if;
+
+ primary_if = batadv_primary_if_get_selected(bat_priv);
+
+ if (!primary_if) {
+ seq_printf(seq,
+ "BATMAN mesh %s disabled - please specify interfaces to enable it\n",
+ net_dev->name);
+ goto out;
+ }
+
+ if (primary_if->if_status == BATADV_IF_ACTIVE)
+ goto out;
+
+ seq_printf(seq,
+ "BATMAN mesh %s disabled - primary interface not active\n",
+ net_dev->name);
+ batadv_hardif_free_ref(primary_if);
+ primary_if = NULL;
+
+out:
+ return primary_if;
+}
+
static int batadv_recv_unhandled_packet(struct sk_buff *skb,
struct batadv_hard_iface *recv_if)
{
diff --git a/net/batman-adv/main.h b/net/batman-adv/main.h
index d57b746..5c0be5b 100644
--- a/net/batman-adv/main.h
+++ b/net/batman-adv/main.h
@@ -153,6 +153,8 @@ void batadv_mesh_free(struct net_device *soft_iface);
void batadv_inc_module_count(void);
void batadv_dec_module_count(void);
int batadv_is_my_mac(const uint8_t *addr);
+struct batadv_hard_iface *
+batadv_seq_print_text_primary_if_get(struct seq_file *seq);
int batadv_batman_skb_recv(struct sk_buff *skb, struct net_device *dev,
struct packet_type *ptype,
struct net_device *orig_dev);
diff --git a/net/batman-adv/originator.c b/net/batman-adv/originator.c
index ac9bdf8..d9c14b8 100644
--- a/net/batman-adv/originator.c
+++ b/net/batman-adv/originator.c
@@ -415,23 +415,10 @@ int batadv_orig_seq_print_text(struct seq_file *seq, void *offset)
int last_seen_msecs;
unsigned long last_seen_jiffies;
uint32_t i;
- int ret = 0;
- primary_if = batadv_primary_if_get_selected(bat_priv);
-
- if (!primary_if) {
- ret = seq_printf(seq,
- "BATMAN mesh %s disabled - please specify interfaces to enable it\n",
- net_dev->name);
- goto out;
- }
-
- if (primary_if->if_status != BATADV_IF_ACTIVE) {
- ret = seq_printf(seq,
- "BATMAN mesh %s disabled - primary interface not active\n",
- net_dev->name);
+ primary_if = batadv_seq_print_text_primary_if_get(seq);
+ if (!primary_if)
goto out;
- }
seq_printf(seq, "[B.A.T.M.A.N. adv %s, MainIF/MAC: %s/%pM (%s)]\n",
BATADV_SOURCE_VERSION, primary_if->net_dev->name,
@@ -485,7 +472,7 @@ next:
out:
if (primary_if)
batadv_hardif_free_ref(primary_if);
- return ret;
+ return 0;
}
static int batadv_orig_node_add_if(struct batadv_orig_node *orig_node,
diff --git a/net/batman-adv/translation-table.c b/net/batman-adv/translation-table.c
index 112edd3..d87d9b4 100644
--- a/net/batman-adv/translation-table.c
+++ b/net/batman-adv/translation-table.c
@@ -434,22 +434,10 @@ int batadv_tt_local_seq_print_text(struct seq_file *seq, void *offset)
struct hlist_node *node;
struct hlist_head *head;
uint32_t i;
- int ret = 0;
- primary_if = batadv_primary_if_get_selected(bat_priv);
- if (!primary_if) {
- ret = seq_printf(seq,
- "BATMAN mesh %s disabled - please specify interfaces to enable it\n",
- net_dev->name);
+ primary_if = batadv_seq_print_text_primary_if_get(seq);
+ if (!primary_if)
goto out;
- }
-
- if (primary_if->if_status != BATADV_IF_ACTIVE) {
- ret = seq_printf(seq,
- "BATMAN mesh %s disabled - primary interface not active\n",
- net_dev->name);
- goto out;
- }
seq_printf(seq,
"Locally retrieved addresses (from %s) announced via TT (TTVN: %u):\n",
@@ -479,7 +467,7 @@ int batadv_tt_local_seq_print_text(struct seq_file *seq, void *offset)
out:
if (primary_if)
batadv_hardif_free_ref(primary_if);
- return ret;
+ return 0;
}
static void
@@ -842,22 +830,10 @@ int batadv_tt_global_seq_print_text(struct seq_file *seq, void *offset)
struct hlist_node *node;
struct hlist_head *head;
uint32_t i;
- int ret = 0;
- primary_if = batadv_primary_if_get_selected(bat_priv);
- if (!primary_if) {
- ret = seq_printf(seq,
- "BATMAN mesh %s disabled - please specify interfaces to enable it\n",
- net_dev->name);
+ primary_if = batadv_seq_print_text_primary_if_get(seq);
+ if (!primary_if)
goto out;
- }
-
- if (primary_if->if_status != BATADV_IF_ACTIVE) {
- ret = seq_printf(seq,
- "BATMAN mesh %s disabled - primary interface not active\n",
- net_dev->name);
- goto out;
- }
seq_printf(seq,
"Globally announced TT entries received via the mesh %s\n",
@@ -881,7 +857,7 @@ int batadv_tt_global_seq_print_text(struct seq_file *seq, void *offset)
out:
if (primary_if)
batadv_hardif_free_ref(primary_if);
- return ret;
+ return 0;
}
/* deletes the orig list of a tt_global_entry */
--
1.7.12.4
--
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