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| author | Eric Dumazet <dada1@cosmosbay.com> | 2008-01-01 21:58:02 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-01-28 15:00:31 -0800 |
| commit | 9a429c4983deae020f1e757ecc8f547b6d4e2f2b (patch) | |
| tree | 172e27a5866e182b902cd77506df1755aafadb60 /net/netlink | |
| parent | b950dfcf504842a0f2bb142a33ef938f1c00d300 (diff) | |
| download | linux-9a429c4983deae020f1e757ecc8f547b6d4e2f2b.tar.bz2 | |
[NET]: Add some acquires/releases sparse annotations.
Add __acquires() and __releases() annotations to suppress some sparse
warnings.
example of warnings :
net/ipv4/udp.c:1555:14: warning: context imbalance in 'udp_seq_start' - wrong
count at exit
net/ipv4/udp.c:1571:13: warning: context imbalance in 'udp_seq_stop' -
unexpected unlock
Signed-off-by: Eric Dumazet <dada1@cosmosbay.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/netlink')
| -rw-r--r-- | net/netlink/af_netlink.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c index dbd7cad1c9a9..be07f1b45ee2 100644 --- a/net/netlink/af_netlink.c +++ b/net/netlink/af_netlink.c @@ -171,6 +171,7 @@ static void netlink_sock_destruct(struct sock *sk) */ static void netlink_table_grab(void) + __acquires(nl_table_lock) { write_lock_irq(&nl_table_lock); @@ -193,6 +194,7 @@ static void netlink_table_grab(void) } static inline void netlink_table_ungrab(void) + __releases(nl_table_lock) { write_unlock_irq(&nl_table_lock); wake_up(&nl_table_wait); @@ -1728,6 +1730,7 @@ static struct sock *netlink_seq_socket_idx(struct seq_file *seq, loff_t pos) } static void *netlink_seq_start(struct seq_file *seq, loff_t *pos) + __acquires(nl_table_lock) { read_lock(&nl_table_lock); return *pos ? netlink_seq_socket_idx(seq, *pos - 1) : SEQ_START_TOKEN; @@ -1776,6 +1779,7 @@ static void *netlink_seq_next(struct seq_file *seq, void *v, loff_t *pos) } static void netlink_seq_stop(struct seq_file *seq, void *v) + __releases(nl_table_lock) { read_unlock(&nl_table_lock); } |