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authorRiccardo Mancini <rickyman7@gmail.com>2021-07-15 18:07:19 +0200
committerArnaldo Carvalho de Melo <acme@redhat.com>2021-07-15 17:30:22 -0300
commitf8cbb0f926ae1e1fb5f9e51614e5437560ed4039 (patch)
treed3a90f418205011737b7622bc1d8051c791c9f42
parentfaf3ac305d61341c74e5cdd9e41daecce7f67bfe (diff)
perf lzma: Close lzma stream on exit
ASan reports memory leaks when running: # perf test "88: Check open filename arg using perf trace + vfs_getname" One of these is caused by the lzma stream never being closed inside lzma_decompress_to_file(). This patch adds the missing lzma_end(). Signed-off-by: Riccardo Mancini <rickyman7@gmail.com> Fixes: 80a32e5b498a7547 ("perf tools: Add lzma decompression support for kernel module") Cc: Ian Rogers <irogers@google.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lore.kernel.org/lkml/aaf50bdce7afe996cfc06e1bbb36e4a2a9b9db93.1626343282.git.rickyman7@gmail.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
-rw-r--r--tools/perf/util/lzma.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/tools/perf/util/lzma.c b/tools/perf/util/lzma.c
index 39062df02629..51424cdc3b68 100644
--- a/tools/perf/util/lzma.c
+++ b/tools/perf/util/lzma.c
@@ -69,7 +69,7 @@ int lzma_decompress_to_file(const char *input, int output_fd)
if (ferror(infile)) {
pr_err("lzma: read error: %s\n", strerror(errno));
- goto err_fclose;
+ goto err_lzma_end;
}
if (feof(infile))
@@ -83,7 +83,7 @@ int lzma_decompress_to_file(const char *input, int output_fd)
if (writen(output_fd, buf_out, write_size) != write_size) {
pr_err("lzma: write error: %s\n", strerror(errno));
- goto err_fclose;
+ goto err_lzma_end;
}
strm.next_out = buf_out;
@@ -95,11 +95,13 @@ int lzma_decompress_to_file(const char *input, int output_fd)
break;
pr_err("lzma: failed %s\n", lzma_strerror(ret));
- goto err_fclose;
+ goto err_lzma_end;
}
}
err = 0;
+err_lzma_end:
+ lzma_end(&strm);
err_fclose:
fclose(infile);
return err;