diff options
| author |   Matthias Kaehlcke <mka@chromium.org> | 2017-04-21 16:41:10 -0700 |
|---|---|---|
| committer |   Steven Rostedt (VMware) <rostedt@goodmis.org> | 2017-05-08 21:22:04 -0400 |
| commit | 4dbbe2d8e95c351157f292ece067f985c30c7b53 (patch) | |
| tree | ede357f1dde3eb91a62ad16ea774cf25ff03e3cb /kernel | |
| parent | ftrace: Simplify ftrace_match_record() even more (diff) | |
| download | linux-dev-4dbbe2d8e95c351157f292ece067f985c30c7b53.tar.xz linux-dev-4dbbe2d8e95c351157f292ece067f985c30c7b53.zip | |
tracing: Use cpumask_available() to check if cpumask variable may be used
This fixes the following clang warning:
kernel/trace/trace.c:3231:12: warning: address of array 'iter->started'
will always evaluate to 'true' [-Wpointer-bool-conversion]
if (iter->started)
Link: http://lkml.kernel.org/r/20170421234110.117075-1-mka@chromium.org
Signed-off-by: Matthias Kaehlcke <mka@chromium.org>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/trace/trace.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index 4ad4420b33d6..c4536c449021 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -3311,13 +3311,14 @@ static void test_cpu_buff_start(struct trace_iterator *iter) if (!(iter->iter_flags & TRACE_FILE_ANNOTATE)) return; - if (iter->started && cpumask_test_cpu(iter->cpu, iter->started)) + if (cpumask_available(iter->started) && + cpumask_test_cpu(iter->cpu, iter->started)) return; if (per_cpu_ptr(iter->trace_buffer->data, iter->cpu)->skipped_entries) return; - if (iter->started) + if (cpumask_available(iter->started)) cpumask_set_cpu(iter->cpu, iter->started); /* Don't print started cpu buffer for the first entry of the trace */ |