diff options
| author | Matthias Kaehlcke <mka@chromium.org> | 2017-04-21 16:41:10 -0700 |
|---|---|---|
| committer | Alistair Strachan <astrachan@google.com> | 2018-05-04 21:14:37 +0000 |
| commit | 4ecc6a3658d82b419306fe95573ee1dbd957a61c (patch) | |
| tree | 5bb6db5559e4e14b90d659d73fdeb90c79ffe669 | |
| parent | 33594740c282a935ec8638fbef7de38573b51beb (diff) | |
UPSTREAM: 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>
(cherry picked from commit 4dbbe2d8e95c351157f292ece067f985c30c7b53)
Bug: 78886293
Change-Id: Ib17a68ce55ca80b04bdea2d232f8ca9f88b1b8a3
Signed-off-by: Alistair Strachan <astrachan@google.com>
| -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 c180e4dc0fb9..293faa2ff763 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -2708,13 +2708,14 @@ 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 */ |