From: Matthias Kaehlcke Date: Fri, 21 Apr 2017 23:41:10 +0000 (-0700) Subject: tracing: Use cpumask_available() to check if cpumask variable may be used X-Git-Tag: v4.9.161~19 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=8bd71286fde0fe25024c0cc97a91962ec68a74b2;p=platform%2Fkernel%2Flinux-amlogic.git 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 Signed-off-by: Steven Rostedt (VMware) Signed-off-by: Nathan Chancellor Signed-off-by: Greg Kroah-Hartman --- 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 */