File perf-test-sdt-handle-realpath-failure.patch of Package perf.12208

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File perf-test-sdt-handle-realpath-failure.patch of Package perf.12208

From: Arnaldo Carvalho de Melo <acme@redhat.com>
Date: Sat, 1 Jul 2017 11:21:59 -0300
Subject: perf test sdt: Handle realpath() failure
Git-commit: 8526bafc149ee4d0df5eabca0f440164ec705c99
Patch-mainline: v4.14-rc1
References: bsc#1070010 (git-fixes)
Signed-off-By: Tony Jones <tonyj@suse.de>

It can return NULL, in which case we should bail out and remove the
directory created with mkdtemp(), which is stored in the "__tempdir"
variable, not in "tempdir".

Cc: Masami Hiramatsu <mhiramat@kernel.org>
Fixes: 8e5dc848356e ("perf test: Add a test case for SDT event")
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
 tools/perf/tests/sdt.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/tools/perf/tests/sdt.c b/tools/perf/tests/sdt.c
index 5abe8cea54e6..d80171526f6f 100644
--- a/tools/perf/tests/sdt.c
+++ b/tools/perf/tests/sdt.c
@@ -83,6 +83,8 @@ int test__sdt_event(int subtests __maybe_unused)
 	}
 	/* Note that buildid_dir must be an absolute path */
 	tempdir = realpath(__tempdir, NULL);
+	if (tempdir == NULL)
+		goto error_rmdir;
 
 	/* At first, scan itself */
 	set_buildid_dir(tempdir);
@@ -100,7 +102,7 @@ int test__sdt_event(int subtests __maybe_unused)
 
 error_rmdir:
 	/* Cleanup temporary buildid dir */
-	rm_rf(tempdir);
+	rm_rf(__tempdir);
 error:
 	free(tempdir);
 	free(myself);

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File perf-test-sdt-handle-realpath-failure.patch of Package perf.12208

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