diff options
| author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2020-11-30 08:56:55 -0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2020-11-30 08:56:55 -0300 |
| commit | 1f195e557d137be004894d2016357013331ec3d0 (patch) | |
| tree | ac74e64b08349fc569e9db2edcf32c4bf84b0c9b /kernel/trace/trace.c | |
| parent | fd4ebb457c9ca90d10a74aeb85d54e27b08d5e76 (diff) | |
| parent | b65054597872ce3aefbc6a666385eabdf9e288da (diff) | |
Merge remote-tracking branch 'torvalds/master' into perf/core
To pick up fixes.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'kernel/trace/trace.c')
| -rw-r--r-- | kernel/trace/trace.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index 528971714fc6..410cfeb16db5 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -2750,7 +2750,7 @@ trace_event_buffer_lock_reserve(struct trace_buffer **current_rb, /* * If tracing is off, but we have triggers enabled * we still need to look at the event data. Use the temp_buffer - * to store the trace event for the tigger to use. It's recusive + * to store the trace event for the trigger to use. It's recursive * safe and will not be recorded anywhere. */ if (!entry && trace_file->flags & EVENT_FILE_FL_TRIGGER_COND) { @@ -2952,7 +2952,7 @@ static void __ftrace_trace_stack(struct trace_buffer *buffer, stackidx = __this_cpu_inc_return(ftrace_stack_reserve) - 1; /* This should never happen. If it does, yell once and skip */ - if (WARN_ON_ONCE(stackidx > FTRACE_KSTACK_NESTING)) + if (WARN_ON_ONCE(stackidx >= FTRACE_KSTACK_NESTING)) goto out; /* @@ -3132,7 +3132,7 @@ static char *get_trace_buf(void) /* Interrupts must see nesting incremented before we use the buffer */ barrier(); - return &buffer->buffer[buffer->nesting][0]; + return &buffer->buffer[buffer->nesting - 1][0]; } static void put_trace_buf(void) |