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authorDavid S. Miller <davem@davemloft.net>2008-03-18 00:37:55 -0700
committerDavid S. Miller <davem@davemloft.net>2008-03-18 00:37:55 -0700
commit577f99c1d08cf9cbdafd4e858dd13ff04d855090 (patch)
tree0f726bbda9b18d311d4c95198bbd96cb7ac01db0 /kernel/marker.c
parent26c0f03f6b77c513cb7bc37b73a06819bdbb791b (diff)
parent2f633928cbba8a5858bb39b11e7219a41b0fbef5 (diff)
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts: drivers/net/wireless/rt2x00/rt2x00dev.c net/8021q/vlan_dev.c
Diffstat (limited to 'kernel/marker.c')
-rw-r--r--kernel/marker.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/kernel/marker.c b/kernel/marker.c
index 50effc01d9a..48a4ea5afff 100644
--- a/kernel/marker.c
+++ b/kernel/marker.c
@@ -698,14 +698,12 @@ int marker_probe_unregister(const char *name,
{
struct marker_entry *entry;
struct marker_probe_closure *old;
- int ret = 0;
+ int ret = -ENOENT;
mutex_lock(&markers_mutex);
entry = get_marker(name);
- if (!entry) {
- ret = -ENOENT;
+ if (!entry)
goto end;
- }
if (entry->rcu_pending)
rcu_barrier();
old = marker_entry_remove_probe(entry, probe, probe_private);
@@ -713,12 +711,15 @@ int marker_probe_unregister(const char *name,
marker_update_probes(); /* may update entry */
mutex_lock(&markers_mutex);
entry = get_marker(name);
+ if (!entry)
+ goto end;
entry->oldptr = old;
entry->rcu_pending = 1;
/* write rcu_pending before calling the RCU callback */
smp_wmb();
call_rcu(&entry->rcu, free_old_closure);
remove_marker(name); /* Ignore busy error message */
+ ret = 0;
end:
mutex_unlock(&markers_mutex);
return ret;