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authorEric Dumazet <dada1@cosmosbay.com>2008-01-13 22:29:41 -0800
committerDavid S. Miller <davem@davemloft.net>2008-01-28 15:02:03 -0800
commitf16f3026db6fa63cbb0f4a37833562aa999c93e5 (patch)
tree94cf1a39795d04315a1dd2eadbe2d77a453b3844
parent6bf1574ee33270e7c0b9d43103e8cedffd9f74db (diff)
downloadlinux-f16f3026db6fa63cbb0f4a37833562aa999c93e5.tar.bz2
[AX25]: sparse cleanups
net/ax25/ax25_route.c:251:13: warning: context imbalance in 'ax25_rt_seq_start' - wrong count at exit net/ax25/ax25_route.c:276:13: warning: context imbalance in 'ax25_rt_seq_stop' - unexpected unlock net/ax25/ax25_std_timer.c:65:25: warning: expensive signed divide net/ax25/ax25_uid.c:46:1: warning: symbol 'ax25_uid_list' was not declared. Should it be static? net/ax25/ax25_uid.c:146:13: warning: context imbalance in 'ax25_uid_seq_start' - wrong count at exit net/ax25/ax25_uid.c:169:13: warning: context imbalance in 'ax25_uid_seq_stop' - unexpected unlock net/ax25/af_ax25.c:573:28: warning: expensive signed divide net/ax25/af_ax25.c:1865:13: warning: context imbalance in 'ax25_info_start' - wrong count at exit net/ax25/af_ax25.c:1888:13: warning: context imbalance in 'ax25_info_stop' - unexpected unlock net/ax25/ax25_ds_timer.c:133:25: warning: expensive signed divide Signed-off-by: Eric Dumazet <dada1@cosmosbay.com> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--net/ax25/af_ax25.c4
-rw-r--r--net/ax25/ax25_ds_timer.c2
-rw-r--r--net/ax25/ax25_route.c2
-rw-r--r--net/ax25/ax25_std_timer.c4
-rw-r--r--net/ax25/ax25_uid.c6
5 files changed, 12 insertions, 6 deletions
diff --git a/net/ax25/af_ax25.c b/net/ax25/af_ax25.c
index a028d37ba2e0..1bc0e85f04a5 100644
--- a/net/ax25/af_ax25.c
+++ b/net/ax25/af_ax25.c
@@ -570,7 +570,7 @@ static int ax25_setsockopt(struct socket *sock, int level, int optname,
res = -EINVAL;
break;
}
- ax25->rtt = (opt * HZ) / 2;
+ ax25->rtt = (opt * HZ) >> 1;
ax25->t1 = opt * HZ;
break;
@@ -1863,6 +1863,7 @@ static int ax25_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
#ifdef CONFIG_PROC_FS
static void *ax25_info_start(struct seq_file *seq, loff_t *pos)
+ __acquires(ax25_list_lock)
{
struct ax25_cb *ax25;
struct hlist_node *node;
@@ -1886,6 +1887,7 @@ static void *ax25_info_next(struct seq_file *seq, void *v, loff_t *pos)
}
static void ax25_info_stop(struct seq_file *seq, void *v)
+ __releases(ax25_list_lock)
{
spin_unlock_bh(&ax25_list_lock);
}
diff --git a/net/ax25/ax25_ds_timer.c b/net/ax25/ax25_ds_timer.c
index 4f44185955c7..c4e3b025d21c 100644
--- a/net/ax25/ax25_ds_timer.c
+++ b/net/ax25/ax25_ds_timer.c
@@ -130,7 +130,7 @@ void ax25_ds_heartbeat_expiry(ax25_cb *ax25)
*/
if (sk != NULL) {
if (atomic_read(&sk->sk_rmem_alloc) <
- (sk->sk_rcvbuf / 2) &&
+ (sk->sk_rcvbuf >> 1) &&
(ax25->condition & AX25_COND_OWN_RX_BUSY)) {
ax25->condition &= ~AX25_COND_OWN_RX_BUSY;
ax25->condition &= ~AX25_COND_ACK_PENDING;
diff --git a/net/ax25/ax25_route.c b/net/ax25/ax25_route.c
index 9ecf6f1df863..38c7f3087ec3 100644
--- a/net/ax25/ax25_route.c
+++ b/net/ax25/ax25_route.c
@@ -249,6 +249,7 @@ int ax25_rt_ioctl(unsigned int cmd, void __user *arg)
#ifdef CONFIG_PROC_FS
static void *ax25_rt_seq_start(struct seq_file *seq, loff_t *pos)
+ __acquires(ax25_route_lock)
{
struct ax25_route *ax25_rt;
int i = 1;
@@ -274,6 +275,7 @@ static void *ax25_rt_seq_next(struct seq_file *seq, void *v, loff_t *pos)
}
static void ax25_rt_seq_stop(struct seq_file *seq, void *v)
+ __releases(ax25_route_lock)
{
read_unlock(&ax25_route_lock);
}
diff --git a/net/ax25/ax25_std_timer.c b/net/ax25/ax25_std_timer.c
index f2f6918ac9bb..96e4b9273250 100644
--- a/net/ax25/ax25_std_timer.c
+++ b/net/ax25/ax25_std_timer.c
@@ -32,7 +32,7 @@
void ax25_std_heartbeat_expiry(ax25_cb *ax25)
{
- struct sock *sk=ax25->sk;
+ struct sock *sk = ax25->sk;
if (sk)
bh_lock_sock(sk);
@@ -62,7 +62,7 @@ void ax25_std_heartbeat_expiry(ax25_cb *ax25)
*/
if (sk != NULL) {
if (atomic_read(&sk->sk_rmem_alloc) <
- (sk->sk_rcvbuf / 2) &&
+ (sk->sk_rcvbuf >> 1) &&
(ax25->condition & AX25_COND_OWN_RX_BUSY)) {
ax25->condition &= ~AX25_COND_OWN_RX_BUSY;
ax25->condition &= ~AX25_COND_ACK_PENDING;
diff --git a/net/ax25/ax25_uid.c b/net/ax25/ax25_uid.c
index ce0b13d44385..5f4eb73fb9d3 100644
--- a/net/ax25/ax25_uid.c
+++ b/net/ax25/ax25_uid.c
@@ -43,10 +43,10 @@
* Callsign/UID mapper. This is in kernel space for security on multi-amateur machines.
*/
-HLIST_HEAD(ax25_uid_list);
+static HLIST_HEAD(ax25_uid_list);
static DEFINE_RWLOCK(ax25_uid_lock);
-int ax25_uid_policy = 0;
+int ax25_uid_policy;
EXPORT_SYMBOL(ax25_uid_policy);
@@ -144,6 +144,7 @@ int ax25_uid_ioctl(int cmd, struct sockaddr_ax25 *sax)
#ifdef CONFIG_PROC_FS
static void *ax25_uid_seq_start(struct seq_file *seq, loff_t *pos)
+ __acquires(ax25_uid_lock)
{
struct ax25_uid_assoc *pt;
struct hlist_node *node;
@@ -167,6 +168,7 @@ static void *ax25_uid_seq_next(struct seq_file *seq, void *v, loff_t *pos)
}
static void ax25_uid_seq_stop(struct seq_file *seq, void *v)
+ __releases(ax25_uid_lock)
{
read_unlock(&ax25_uid_lock);
}