Commit-ID:  b33492ade49a223a666e582d0c63566609e7014b
Gitweb:     http://git.kernel.org/tip/b33492ade49a223a666e582d0c63566609e7014b
Author:     Davidlohr Bueso <[email protected]>
AuthorDate: Sun, 8 Sep 2013 19:19:14 -0700
Committer:  Arnaldo Carvalho de Melo <[email protected]>
CommitDate: Wed, 9 Oct 2013 11:23:32 -0300

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 <[email protected]>
Cc: Aswin Chandramouleeswaran <[email protected]>
Cc: Frederic Weisbecker <[email protected]>
Cc: Hitoshi Mitake <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
---
 tools/perf/builtin-lock.c | 24 ++++++++++++------------
 1 file changed, 12 insertions(+), 12 deletions(-)

diff --git a/tools/perf/builtin-lock.c b/tools/perf/builtin-lock.c
index 148f7e2..d318862 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:
--
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