Commit-ID:  3470d48a4ef30c554934d4a188a97a53656bff57
Gitweb:     https://git.kernel.org/tip/3470d48a4ef30c554934d4a188a97a53656bff57
Author:     Mathieu Poirier <[email protected]>
AuthorDate: Fri, 24 May 2019 11:34:57 -0600
Committer:  Arnaldo Carvalho de Melo <[email protected]>
CommitDate: Mon, 10 Jun 2019 15:50:01 -0300

perf cs-etm: Refactor error path in cs_etm_decoder__new()

There is no point in having two different error goto statement since the
openCSD API to free a decoder handles NULL pointers.  As such function
cs_etm_decoder__free() can be called to deal with all aspect of freeing
decoder memory.

Signed-off-by: Mathieu Poirier <[email protected]>
Tested-by: Leo Yan <[email protected]>
Cc: Alexander Shishkin <[email protected]>
Cc: Jiri Olsa <[email protected]>
Cc: Namhyung Kim <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Suzuki Poulouse <[email protected]>
Cc: [email protected]
Cc: [email protected]
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
---
 tools/perf/util/cs-etm-decoder/cs-etm-decoder.c | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/tools/perf/util/cs-etm-decoder/cs-etm-decoder.c 
b/tools/perf/util/cs-etm-decoder/cs-etm-decoder.c
index 39fe21e1cf93..5dafec421b0d 100644
--- a/tools/perf/util/cs-etm-decoder/cs-etm-decoder.c
+++ b/tools/perf/util/cs-etm-decoder/cs-etm-decoder.c
@@ -577,7 +577,7 @@ cs_etm_decoder__new(int num_cpu, struct 
cs_etm_decoder_params *d_params,
        /* init library print logging support */
        ret = cs_etm_decoder__init_def_logger_printing(d_params, decoder);
        if (ret != 0)
-               goto err_free_decoder_tree;
+               goto err_free_decoder;
 
        /* init raw frame logging if required */
        cs_etm_decoder__init_raw_frame_logging(d_params, decoder);
@@ -587,15 +587,13 @@ cs_etm_decoder__new(int num_cpu, struct 
cs_etm_decoder_params *d_params,
                                                         &t_params[i],
                                                         decoder);
                if (ret != 0)
-                       goto err_free_decoder_tree;
+                       goto err_free_decoder;
        }
 
        return decoder;
 
-err_free_decoder_tree:
-       ocsd_destroy_dcd_tree(decoder->dcd_tree);
 err_free_decoder:
-       free(decoder);
+       cs_etm_decoder__free(decoder);
        return NULL;
 }
 

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