diff options
author | Matthias Kaehlcke <mka@chromium.org> | 2017-04-21 16:41:10 -0700 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-02-27 10:07:02 +0100 |
commit | 8bd71286fde0fe25024c0cc97a91962ec68a74b2 (patch) | |
tree | a6c4720877016cfa543fbd9b7d9314fe3d51b287 /kernel | |
parent | 64696ba9577f7742358cd7be42da2a4eb4877244 (diff) |
tracing: Use cpumask_available() to check if cpumask variable may be used
commit 4dbbe2d8e95c351157f292ece067f985c30c7b53 upstream.
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>
Signed-off-by: Nathan Chancellor <natechancellor@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.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 a47339b156ce..6786c507f1f9 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -3022,13 +3022,14 @@ 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 */ |