linux-kernel - [PATCH 4.19 068/149] perf annotate: Propagate the symbol_

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Date:   Mon,  4 Nov 2019 22:44:21 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org,
        Russell King - ARM Linux admin <linux@...linux.org.uk>,
        Adrian Hunter <adrian.hunter@...el.com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Jiri Olsa <jolsa@...nel.org>,
        Namhyung Kim <namhyung@...nel.org>,
        Will Deacon <will@...nel.org>,
        Arnaldo Carvalho de Melo <acme@...hat.com>,
        Sasha Levin <sashal@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>
Subject: [PATCH 4.19 068/149] perf annotate: Propagate the symbol__annotate() error return

From: Arnaldo Carvalho de Melo <acme@...hat.com>

[ Upstream commit 211f493b611eef012841f795166c38ec7528738d ]

We were just returning -1 in symbol__annotate() when symbol__annotate()
failed, propagate its error as it is used later to pass to
symbol__strerror_disassemble() to present a error message to the user,
that in some cases were getting:

  "Invalid -1 error code"

Fix it to propagate the error.

Reported-by: Russell King - ARM Linux admin <linux@...linux.org.uk>
Cc: Adrian Hunter <adrian.hunter@...el.com>
Cc: Alexander Shishkin <alexander.shishkin@...ux.intel.com>
Cc: Jiri Olsa <jolsa@...nel.org>
Cc: Namhyung Kim <namhyung@...nel.org>
Cc: Peter Zijlstra <peterz@...radead.org>,
Cc: Will Deacon <will@...nel.org>
Link: https://lkml.kernel.org/n/tip-0tj89rs9g7nbcyd5skadlvuu@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 tools/perf/util/annotate.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c
index b4946ef48b621..83a3ad4256c5b 100644
--- a/tools/perf/util/annotate.c
+++ b/tools/perf/util/annotate.c
@@ -2757,7 +2757,7 @@ int symbol__annotate2(struct symbol *sym, struct map *map, struct perf_evsel *ev
 
 out_free_offsets:
 	zfree(&notes->offsets);
-	return -1;
+	return err;
 }
 
 #define ANNOTATION__CFG(n) \
-- 
2.20.1