linux-kernel - [PATCH] perf tools: return errcode in cs_etm__process_auxtrace

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Message-ID: <20190315022649.17848-1-yuehaibing@huawei.com>
Date:   Fri, 15 Mar 2019 10:26:49 +0800
From:   Yue Haibing <yuehaibing@...wei.com>
To:     <mathieu.poirier@...aro.org>, <suzuki.poulose@....com>,
        <peterz@...radead.org>, <mingo@...hat.com>, <acme@...nel.org>,
        <alexander.shishkin@...ux.intel.com>, <jolsa@...hat.com>,
        <namhyung@...nel.org>
CC:     <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        YueHaibing <yuehaibing@...wei.com>
Subject: [PATCH] perf tools: return errcode in cs_etm__process_auxtrace_info

From: YueHaibing <yuehaibing@...wei.com>

'err' is set in err path, but it's not returned to callers.
Also fix a pass zero to PTR_ERR issue.

Fixes: cd8bfd8c973e ("perf tools: Add processing of coresight metadata")
Signed-off-by: YueHaibing <yuehaibing@...wei.com>
---
 tools/perf/util/cs-etm.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tools/perf/util/cs-etm.c b/tools/perf/util/cs-etm.c
index 1108049..111f33c 100644
--- a/tools/perf/util/cs-etm.c
+++ b/tools/perf/util/cs-etm.c
@@ -1908,7 +1908,7 @@ int cs_etm__process_auxtrace_info(union perf_event *event,
 
 		/* Something went wrong, no need to continue */
 		if (!inode) {
-			err = PTR_ERR(inode);
+			err = -ENOMEM;
 			goto err_free_metadata;
 		}
 
@@ -2023,5 +2023,5 @@ int cs_etm__process_auxtrace_info(union perf_event *event,
 err_free_hdr:
 	zfree(&hdr);
 
-	return -EINVAL;
+	return err;
 }
-- 
2.7.0