linux-kernel - [PATCH v6 1/5] tools api io: Ensure line_len

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Message-Id: <20241022180623.463131-2-irogers@google.com>
Date: Tue, 22 Oct 2024 11:06:19 -0700
From: Ian Rogers <irogers@...gle.com>
To: Peter Zijlstra <peterz@...radead.org>, Ingo Molnar <mingo@...hat.com>, 
	Arnaldo Carvalho de Melo <acme@...nel.org>, Namhyung Kim <namhyung@...nel.org>, 
	Mark Rutland <mark.rutland@....com>, 
	Alexander Shishkin <alexander.shishkin@...ux.intel.com>, Jiri Olsa <jolsa@...nel.org>, 
	Ian Rogers <irogers@...gle.com>, Adrian Hunter <adrian.hunter@...el.com>, 
	Kan Liang <kan.liang@...ux.intel.com>, Ravi Bangoria <ravi.bangoria@....com>, 
	Weilin Wang <weilin.wang@...el.com>, Yoshihiro Furudera <fj5100bi@...itsu.com>, 
	James Clark <james.clark@...aro.org>, Athira Jajeev <atrajeev@...ux.vnet.ibm.com>, 
	Howard Chu <howardchu95@...il.com>, Oliver Upton <oliver.upton@...ux.dev>, 
	Changbin Du <changbin.du@...wei.com>, Ze Gao <zegao2021@...il.com>, 
	Junhao He <hejunhao3@...wei.com>, linux-kernel@...r.kernel.org, 
	linux-perf-users@...r.kernel.org
Subject: [PATCH v6 1/5] tools api io: Ensure line_len_out is always initialized

Ensure initialization to avoid compiler warnings about potential use
of uninitialized variables.

Signed-off-by: Ian Rogers <irogers@...gle.com>
---
 tools/lib/api/io.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tools/lib/api/io.h b/tools/lib/api/io.h
index d3eb04d1bc89..1731996b2c32 100644
--- a/tools/lib/api/io.h
+++ b/tools/lib/api/io.h
@@ -189,6 +189,7 @@ static inline ssize_t io__getdelim(struct io *io, char **line_out, size_t *line_
 err_out:
 	free(line);
 	*line_out = NULL;
+	*line_len_out = 0;
 	return -ENOMEM;
 }
 
-- 
2.47.0.163.g1226f6d8fa-goog