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authorEric Dumazet <eric.dumazet@gmail.com>2009-06-17 19:05:41 -0700
committerDavid S. Miller <davem@davemloft.net>2009-06-18 00:29:12 -0700
commit31e6d363abcd0d05766c82f1a9c905a4c974a199 (patch)
treef2b5c46354d95f91e743ae748b8add0de8bffd17 /net/ipv6
parentd3b238a03efd6d644ff93c8b10a1d38a596f2e34 (diff)
net: correct off-by-one write allocations reports
commit 2b85a34e911bf483c27cfdd124aeb1605145dc80 (net: No more expensive sock_hold()/sock_put() on each tx) changed initial sk_wmem_alloc value. We need to take into account this offset when reporting sk_wmem_alloc to user, in PROC_FS files or various ioctls (SIOCOUTQ/TIOCOUTQ) Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv6')
-rw-r--r--net/ipv6/raw.c7
-rw-r--r--net/ipv6/udp.c4
2 files changed, 6 insertions, 5 deletions
diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c
index 36a090d87a3..8b0b6f94806 100644
--- a/net/ipv6/raw.c
+++ b/net/ipv6/raw.c
@@ -1130,7 +1130,8 @@ static int rawv6_ioctl(struct sock *sk, int cmd, unsigned long arg)
switch(cmd) {
case SIOCOUTQ:
{
- int amount = atomic_read(&sk->sk_wmem_alloc);
+ int amount = sk_wmem_alloc_get(sk);
+
return put_user(amount, (int __user *)arg);
}
case SIOCINQ:
@@ -1236,8 +1237,8 @@ static void raw6_sock_seq_show(struct seq_file *seq, struct sock *sp, int i)
dest->s6_addr32[0], dest->s6_addr32[1],
dest->s6_addr32[2], dest->s6_addr32[3], destp,
sp->sk_state,
- atomic_read(&sp->sk_wmem_alloc),
- atomic_read(&sp->sk_rmem_alloc),
+ sk_wmem_alloc_get(sp),
+ sk_rmem_alloc_get(sp),
0, 0L, 0,
sock_i_uid(sp), 0,
sock_i_ino(sp),
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index fc333d85472..023beda6b22 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -1061,8 +1061,8 @@ static void udp6_sock_seq_show(struct seq_file *seq, struct sock *sp, int bucket
dest->s6_addr32[0], dest->s6_addr32[1],
dest->s6_addr32[2], dest->s6_addr32[3], destp,
sp->sk_state,
- atomic_read(&sp->sk_wmem_alloc),
- atomic_read(&sp->sk_rmem_alloc),
+ sk_wmem_alloc_get(sp),
+ sk_rmem_alloc_get(sp),
0, 0L, 0,
sock_i_uid(sp), 0,
sock_i_ino(sp),