From: Davidlohr Bueso Date: Mon, 9 Sep 2013 02:19:14 +0000 (-0700) Subject: perf lock: Return proper code in report_lock_*_event X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=b33492ade49a223a666e582d0c63566609e7014b;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git perf lock: Return proper code in report_lock_*_event The report_lock_*_event() functions return -1 when lock_stat_findnew(), thread_stat_findnew() or get_seq() return NULL. These functions only return this value when failing to allocate memory, this return -ENOMEM instead. Signed-off-by: Davidlohr Bueso Cc: Aswin Chandramouleeswaran Cc: Frederic Weisbecker Cc: Hitoshi Mitake Cc: Ingo Molnar Cc: Peter Zijlstra Link: http://lkml.kernel.org/r/1378693159-8747-3-git-send-email-davidlohr@hp.com Signed-off-by: Arnaldo Carvalho de Melo --- diff --git a/tools/perf/builtin-lock.c b/tools/perf/builtin-lock.c index 148f7e28ade7..d3188629cbaf 100644 --- a/tools/perf/builtin-lock.c +++ b/tools/perf/builtin-lock.c @@ -400,17 +400,17 @@ static int report_lock_acquire_event(struct perf_evsel *evsel, ls = lock_stat_findnew(addr, name); if (!ls) - return -1; + return -ENOMEM; if (ls->discard) return 0; ts = thread_stat_findnew(sample->tid); if (!ts) - return -1; + return -ENOMEM; seq = get_seq(ts, addr); if (!seq) - return -1; + return -ENOMEM; switch (seq->state) { case SEQ_STATE_UNINITIALIZED: @@ -472,17 +472,17 @@ static int report_lock_acquired_event(struct perf_evsel *evsel, ls = lock_stat_findnew(addr, name); if (!ls) - return -1; + return -ENOMEM; if (ls->discard) return 0; ts = thread_stat_findnew(sample->tid); if (!ts) - return -1; + return -ENOMEM; seq = get_seq(ts, addr); if (!seq) - return -1; + return -ENOMEM; switch (seq->state) { case SEQ_STATE_UNINITIALIZED: @@ -533,17 +533,17 @@ static int report_lock_contended_event(struct perf_evsel *evsel, ls = lock_stat_findnew(addr, name); if (!ls) - return -1; + return -ENOMEM; if (ls->discard) return 0; ts = thread_stat_findnew(sample->tid); if (!ts) - return -1; + return -ENOMEM; seq = get_seq(ts, addr); if (!seq) - return -1; + return -ENOMEM; switch (seq->state) { case SEQ_STATE_UNINITIALIZED: @@ -587,17 +587,17 @@ static int report_lock_release_event(struct perf_evsel *evsel, ls = lock_stat_findnew(addr, name); if (!ls) - return -1; + return -ENOMEM; if (ls->discard) return 0; ts = thread_stat_findnew(sample->tid); if (!ts) - return -1; + return -ENOMEM; seq = get_seq(ts, addr); if (!seq) - return -1; + return -ENOMEM; switch (seq->state) { case SEQ_STATE_UNINITIALIZED: