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| author |   Ingo Molnar <mingo@elte.hu> | 2009-04-06 01:41:22 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-04-06 01:41:22 +0200 |
| commit | 9efe21cb82b5dbe3b0b2ae4de4eccc64ecb94e95 (patch) | |
| tree | 7ff8833745d2f268f897f6fa4a27263b4a572245 /kernel/tracepoint.c | |
| parent | genirq: fix devres.o build for GENERIC_HARDIRQS=n (diff) | |
| parent | Merge branch 'audit.b62' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/audit-current (diff) | |
| download | wireguard-linux-9efe21cb82b5dbe3b0b2ae4de4eccc64ecb94e95.tar.xz wireguard-linux-9efe21cb82b5dbe3b0b2ae4de4eccc64ecb94e95.zip | |
Merge branch 'linus' into irq/threaded
Conflicts:
include/linux/irq.h
kernel/irq/handle.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 79602740bbb5..1ef5d3a601c7 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); |