linux-ext4 - [PATCH] debugfs: don't try to fclose NULL

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Date:	Fri, 26 Jun 2009 13:57:39 -0500
From:	Eric Sandeen <sandeen@...hat.com>
To:	ext4 development <linux-ext4@...r.kernel.org>
Subject: [PATCH] debugfs: don't try to fclose NULL

do_logdump may jump to errout if fopen(out_file) fails, 
but in that case out_file is NULL, and fclose will segfault.

Signed-off-by: Eric Sandeen <sandeen@...hat.com>
---

diff --git a/debugfs/logdump.c b/debugfs/logdump.c
index 4818bc6..9a7108a 100644
--- a/debugfs/logdump.c
+++ b/debugfs/logdump.c
@@ -259,7 +259,7 @@ void do_logdump(int argc, char **argv)
 		close(journal_fd);
 
 errout:
-	if (out_file != stdout)
+	if (out_file && (out_file != stdout))
 		fclose(out_file);
 
 	return;

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