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author | John W. Linville <linville@tuxdriver.com> | 2010-07-27 11:59:19 -0400 |
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committer | John W. Linville <linville@tuxdriver.com> | 2010-07-27 11:59:19 -0400 |
commit | 800f65bba8d2030b3fef62850e203f9f176625a8 (patch) | |
tree | 6507c4fe7a0826c253b4afb29375ab306a0fd9c8 /net/core/drop_monitor.c | |
parent | 06b3cda0c12986f5bba578b918b188d731c4e191 (diff) | |
parent | b3190df628617c7a4f188a9465aeabe1f5761933 (diff) | |
download | linux-800f65bba8d2030b3fef62850e203f9f176625a8.tar.bz2 |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/holtmann/bluetooth-next-2.6
Conflicts:
drivers/net/wireless/iwlwifi/iwl-commands.h
Diffstat (limited to 'net/core/drop_monitor.c')
-rw-r--r-- | net/core/drop_monitor.c | 22 |
1 files changed, 14 insertions, 8 deletions
diff --git a/net/core/drop_monitor.c b/net/core/drop_monitor.c index cf208d8042b1..646ef3bc7200 100644 --- a/net/core/drop_monitor.c +++ b/net/core/drop_monitor.c @@ -172,12 +172,12 @@ out: return; } -static void trace_kfree_skb_hit(struct sk_buff *skb, void *location) +static void trace_kfree_skb_hit(void *ignore, struct sk_buff *skb, void *location) { trace_drop_common(skb, location); } -static void trace_napi_poll_hit(struct napi_struct *napi) +static void trace_napi_poll_hit(void *ignore, struct napi_struct *napi) { struct dm_hw_stat_delta *new_stat; @@ -223,14 +223,19 @@ static int set_all_monitor_traces(int state) spin_lock(&trace_state_lock); + if (state == trace_state) { + rc = -EAGAIN; + goto out_unlock; + } + switch (state) { case TRACE_ON: - rc |= register_trace_kfree_skb(trace_kfree_skb_hit); - rc |= register_trace_napi_poll(trace_napi_poll_hit); + rc |= register_trace_kfree_skb(trace_kfree_skb_hit, NULL); + rc |= register_trace_napi_poll(trace_napi_poll_hit, NULL); break; case TRACE_OFF: - rc |= unregister_trace_kfree_skb(trace_kfree_skb_hit); - rc |= unregister_trace_napi_poll(trace_napi_poll_hit); + rc |= unregister_trace_kfree_skb(trace_kfree_skb_hit, NULL); + rc |= unregister_trace_napi_poll(trace_napi_poll_hit, NULL); tracepoint_synchronize_unregister(); @@ -251,11 +256,12 @@ static int set_all_monitor_traces(int state) if (!rc) trace_state = state; + else + rc = -EINPROGRESS; +out_unlock: spin_unlock(&trace_state_lock); - if (rc) - return -EINPROGRESS; return rc; } |