linux-kernel - [PATCH 1/1] modpost: free allocated memory

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Message-Id: <1470166981-6461-1-git-send-email-xypron.glpk@gmx.de>
Date:	Tue,  2 Aug 2016 21:43:01 +0200
From:	Heinrich Schuchardt <xypron.glpk@....de>
To:	linux-kernel@...r.kernel.org
Cc:	Rusty Russell <rusty@...tcorp.com.au>,
	Nicolas Boichat <drinkcat@...omium.org>,
	Noam Camus <noamc@...hip.com>, Takashi Iwai <tiwai@...e.de>,
	Alan Modra <amodra@...il.com>,
	Heinrich Schuchardt <xypron.glpk@....de>
Subject: [PATCH 1/1] modpost: free allocated memory

valgrind complains that memory is not freed after allocation
with realloc() called from main() and write_dump().

So let us free the allocated memory properly.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@....de>
---
 scripts/mod/modpost.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c
index 48958d3..6607a04 100644
--- a/scripts/mod/modpost.c
+++ b/scripts/mod/modpost.c
@@ -2371,6 +2371,7 @@ static void write_dump(const char *fname)
 		}
 	}
 	write_if_changed(&buf, fname);
+	free(buf.p);
 }
 
 struct ext_sym_list {
@@ -2496,6 +2497,7 @@ int main(int argc, char **argv)
 			      "Set CONFIG_SECTION_MISMATCH_WARN_ONLY=y to allow them.\n");
 		}
 	}
+	free(buf.p);
 
 	return err;
 }
-- 
2.1.4