linux-kernel - [PATCH 01/14] perf tools: Make rm

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Date:   Sun,  3 Feb 2019 16:30:05 +0100
From:   Jiri Olsa <jolsa@...nel.org>
To:     Arnaldo Carvalho de Melo <acme@...nel.org>
Cc:     lkml <linux-kernel@...r.kernel.org>,
        Ingo Molnar <mingo@...nel.org>,
        Namhyung Kim <namhyung@...nel.org>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Peter Zijlstra <a.p.zijlstra@...llo.nl>,
        Adrian Hunter <adrian.hunter@...el.com>,
        Andi Kleen <ak@...ux.intel.com>,
        Stephane Eranian <eranian@...gle.com>,
        Alexey Budankov <alexey.budankov@...ux.intel.com>
Subject: [PATCH 01/14] perf tools: Make rm_rf to remove single file

Let rm_rf remove file if it's provided by path.

Link: http://lkml.kernel.org/n/tip-whhp3ej5795l9dc86xfyyp74@git.kernel.org
Signed-off-by: Jiri Olsa <jolsa@...nel.org>
---
 tools/perf/util/util.c | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/tools/perf/util/util.c b/tools/perf/util/util.c
index 320b0fef249a..58b8d6a8bfbc 100644
--- a/tools/perf/util/util.c
+++ b/tools/perf/util/util.c
@@ -125,8 +125,14 @@ int rm_rf(const char *path)
 	char namebuf[PATH_MAX];
 
 	dir = opendir(path);
-	if (dir == NULL)
-		return 0;
+	if (dir == NULL) {
+		/*
+		 * The path does not exist or is not directory,
+		 * so there's no harm to try remove it. This way
+		 * rm_rf will work over single file.
+		 */
+		return unlink(path);
+	}
 
 	while ((d = readdir(dir)) != NULL && !ret) {
 		struct stat statbuf;
-- 
2.17.2