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author | Ingo Molnar <mingo@elte.hu> | 2009-04-01 21:54:19 +0200 |
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committer | Ingo Molnar <mingo@elte.hu> | 2009-04-02 00:49:02 +0200 |
commit | 8302294f43250dc337108c51882a6007f2b1e2e0 (patch) | |
tree | 85acd4440799c46a372df9cad170fa0c21e59096 /kernel/tracepoint.c | |
parent | 4fe70410d9a219dabb47328effccae7e7f2a6e26 (diff) | |
parent | 2e572895bf3203e881356a4039ab0fa428ed2639 (diff) | |
download | op-kernel-dev-8302294f43250dc337108c51882a6007f2b1e2e0.zip op-kernel-dev-8302294f43250dc337108c51882a6007f2b1e2e0.tar.gz |
Merge branch 'tracing/core-v2' into tracing-for-linus
Conflicts:
include/linux/slub_def.h
lib/Kconfig.debug
mm/slob.c
mm/slub.c
Diffstat (limited to 'kernel/tracepoint.c')
-rw-r--r-- | kernel/tracepoint.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/kernel/tracepoint.c b/kernel/tracepoint.c index 7960274..1ef5d3a 100644 --- a/kernel/tracepoint.c +++ b/kernel/tracepoint.c @@ -272,12 +272,15 @@ static void disable_tracepoint(struct tracepoint *elem) * * Updates the probe callback corresponding to a range of tracepoints. */ -void tracepoint_update_probe_range(struct tracepoint *begin, - struct tracepoint *end) +void +tracepoint_update_probe_range(struct tracepoint *begin, struct tracepoint *end) { struct tracepoint *iter; struct tracepoint_entry *mark_entry; + if (!begin) + return; + mutex_lock(&tracepoints_mutex); for (iter = begin; iter < end; iter++) { mark_entry = get_tracepoint(iter->name); |